[{"slug":"401k-calculator","category":"finance","categoryLabel":"Finance","title":"401(k) Retirement Calculator","desc":"Your 401(k) is one of the most powerful wealth-building tools available. With pre-tax contributions, employer matching (free money), and compound growth, it can grow significantly over decades. This calculator projects your retirement balance factoring in your contributions, your employer's match, and expected annual returns."},{"slug":"apr-calculator","category":"finance","categoryLabel":"Finance","title":"APR Calculator","desc":"The APR (Annual Percentage Rate) reveals the true cost of a loan by including not just the interest rate but also fees, points, and other charges. Lenders must disclose APR by law because it gives you a more accurate picture than the interest rate alone. Use this calculator to compare loan offers side by side."},{"slug":"biweekly-mortgage-calculator","category":"finance","categoryLabel":"Finance","title":"Biweekly Mortgage Calculator","desc":"Making biweekly payments (half your monthly payment every two weeks) results in 13 monthly payments per year instead of 12. This extra payment each year can save thousands in interest and years off your mortgage."},{"slug":"bmi-calculator","category":"health","categoryLabel":"Health","title":"BMI Calculator","desc":"BMI is a widely used screening tool that correlates body weight with height. While it does not measure body fat directly, it correlates with more direct measures of body fat and is useful for population-level health assessment."},{"slug":"body-fat-calculator-sports","category":"sports","categoryLabel":"Sports","title":"Body Fat Percentage Calculator","desc":"Track body composition changes accurately."},{"slug":"body-fat-calculator","category":"health","categoryLabel":"Health","title":"Body Fat Percentage Calculator","desc":"Body fat percentage is a more accurate health indicator than weight alone. The U.S. Navy method uses simple circumference measurements to estimate your body fat percentage and compare it to established categories."},{"slug":"break-even-calculator","category":"business","categoryLabel":"Business","title":"Break-Even Point Calculator","desc":"The break-even point tells you exactly how many units you need to sell to cover all your costs. Essential for startups, product launches, and pricing strategy. Know your minimum sales target before investing in inventory."},{"slug":"burn-rate-calculator","category":"business","categoryLabel":"Business","title":"Burn Rate & Runway Calculator","desc":"For startups and small businesses, cash runway is the ultimate deadline. It tells you how many months until you run out of money. Knowing your burn rate and runway is critical for fundraising timing."},{"slug":"cagr-calculator","category":"finance","categoryLabel":"Finance","title":"CAGR Calculator (Compound Annual Growth Rate)","desc":"CAGR (Compound Annual Growth Rate) tells you the smoothed annual rate of return for an investment over a period longer than one year. Unlike simple average returns, CAGR accounts for compounding, giving you a more accurate picture of investment performance. It is the standard metric for comparing investment returns across different time periods."},{"slug":"calorie-burn-calculator","category":"sports","categoryLabel":"Sports","title":"Calorie Burn Calculator","desc":"Know exactly how many calories you burn during exercise."},{"slug":"cap-rate-calculator","category":"realestate","categoryLabel":"Real Estate","title":"Cap Rate Calculator","desc":"The cap rate is the most fundamental metric for rental property evaluation. It tells you the unleveraged return on a property based on net operating income. Higher cap rates mean better returns but potentially higher risk areas."},{"slug":"car-depreciation-calculator","category":"automotive","categoryLabel":"Automotive","title":"Car Depreciation Calculator","desc":"Understand the hidden cost of car ownership."},{"slug":"car-loan-calculator","category":"finance","categoryLabel":"Finance","title":"Car Loan Calculator","desc":"The true cost of a car loan includes much more than the sticker price. Our calculator factors in your down payment, trade-in value, sales tax, and dealer fees to show your exact monthly payment and total out-the-door cost."},{"slug":"cash-flow-statement-calculator","category":"business","categoryLabel":"Business","title":"Cash Flow Statement Calculator","desc":"Cash flow is king. A profitable business can still fail if cash is tied up. Our calculator breaks cash flow into three categories so you can see where cash is coming from and where it is going."},{"slug":"cd-ladder-calculator","category":"finance","categoryLabel":"Finance","title":"CD Ladder Calculator","desc":"A CD ladder is a strategy where you split your investment across multiple Certificates of Deposit with different maturity dates. As each CD matures, you reinvest in a new long-term CD. This balances higher yields from longer terms with regular access to your money. Our calculator shows the projected value of your CD ladder at maturity."},{"slug":"closing-cost-calculator","category":"realestate","categoryLabel":"Real Estate","title":"Closing Cost Calculator","desc":"Closing costs typically range from 2-5% of the home price. They include government fees, lender charges, title insurance, and professional services. Our calculator breaks down each component for transparency."},{"slug":"clv-calculator","category":"business","categoryLabel":"Business","title":"Customer Lifetime Value Calculator","desc":"CLV tells you the total profit a customer generates over their relationship with your business. It should guide your customer acquisition spend. If CLV is $500, you should never pay more than $100-150 for an acquisition."},{"slug":"college-cost-calculator","category":"education","categoryLabel":"Education","title":"College Cost Calculator","desc":"Budget accurately for your college education."},{"slug":"compound-interest","category":"finance","categoryLabel":"Finance","title":"Compound Interest Calculator","desc":"Compound interest is the most powerful force in investing — Einstein called it the eighth wonder of the world. Our calculator shows how your money grows exponentially over time with different compounding frequencies, from annual to daily."},{"slug":"concrete-calculator","category":"diy","categoryLabel":"DIY","title":"Concrete Quantity Calculator","desc":"Ordering too little concrete wastes time; ordering too much wastes money. This calculator tells you exactly how many bags of pre-mix or cubic yards of ready-mix concrete you need for any slab, patio, or foundation."},{"slug":"course-grade-calculator","category":"education","categoryLabel":"Education","title":"Course Grade Calculator","desc":"Know exactly what you need to achieve your grade goal."},{"slug":"credit-card-payoff-calculator","category":"finance","categoryLabel":"Finance","title":"Credit Card Payoff Calculator","desc":"Credit card debt can feel overwhelming with APRs often exceeding 20%. This calculator shows exactly how long your debt will take to pay off at your current payment rate and how much interest you will accumulate. Use it to plan payoff strategies — even increasing your monthly payment by a small amount can save thousands in interest."},{"slug":"cyclist-power-calculator","category":"sports","categoryLabel":"Sports","title":"Cycling Power Calculator","desc":"Know your cycling power output without a power meter."},{"slug":"date-calculator","category":"travel","categoryLabel":"Travel","title":"Date Calculator","desc":"Find the exact number of days between any two dates, or how many days until (or since) a specific date."},{"slug":"debt-to-asset-calculator","category":"finance","categoryLabel":"Finance","title":"Debt-to-Asset Ratio Calculator","desc":"Your debt-to-asset ratio compares everything you owe to everything you own. A lower ratio means better financial health and stronger borrowing power. Lenders prefer ratios below 0.4."},{"slug":"decking-calculator","category":"diy","categoryLabel":"DIY","title":"Decking Calculator","desc":"Building a deck requires precise material counts. Too few boards and you are stuck at the store. Too many and you waste money. Our calculator accounts for board spacing, joist layout, and waste."},{"slug":"depreciation-calculator","category":"finance","categoryLabel":"Finance","title":"Depreciation Calculator","desc":"Depreciation spreads the cost of a tangible asset over its useful life, matching expenses with the revenue it generates. The two most common methods are straight-line (equal depreciation each year) and declining balance (accelerated depreciation, higher in early years). Use this calculator to determine your asset's book value over time."},{"slug":"discount-calculator","category":"business","categoryLabel":"Business","title":"Discount Calculator","desc":"Shopping during a sale? This discount calculator shows you exactly how much you save and what you will actually pay. Use it to compare different deals, stack percentage discounts, and find the best value."},{"slug":"down-payment-calculator","category":"finance","categoryLabel":"Finance","title":"Down Payment Calculator","desc":"Your down payment is the largest upfront cost in buying a home. It determines your loan amount, monthly payment, and whether you need Private Mortgage Insurance (PMI). A 20% down payment avoids PMI entirely. This calculator shows the impact of different down payment amounts on your total housing costs."},{"slug":"drywall-calculator","category":"diy","categoryLabel":"DIY","title":"Drywall Calculator","desc":"Drywall is sold in standard 4x8 (32 sq ft) or 4x12 (48 sq ft) sheets. This calculator estimates how many sheets you need for walls and ceilings, subtracting windows and doors, plus waste for cuts and mistakes."},{"slug":"dti-calculator","category":"finance","categoryLabel":"Finance","title":"Debt-to-Income (DTI) Calculator","desc":"Your debt-to-income ratio (DTI) is the percentage of your gross monthly income that goes toward debt payments. Lenders use two DTI measures: front-end (housing only) and back-end (all debt). Most mortgage lenders require a back-end DTI below 43% to approve a loan. This calculator shows both ratios."},{"slug":"ebitda-calculator","category":"business","categoryLabel":"Business","title":"EBITDA Calculator","desc":"EBITDA is a measure of a company's core profitability excluding financing decisions, accounting methods, and tax environments. It is widely used for comparing businesses in the same industry and for valuation multiples."},{"slug":"emi-calculator","category":"finance","categoryLabel":"Finance","title":"EMI (Equated Monthly Installment) Calculator","desc":"An EMI (Equated Monthly Installment) is a fixed payment amount made by a borrower to a lender at a specified date each month. EMIs are used to pay off both interest and principal each month so that over a specified number of years, the loan is paid off in full. This calculator shows your exact monthly payment and total cost."},{"slug":"engine-hp-calculator","category":"automotive","categoryLabel":"Automotive","title":"Engine Power (HP) Calculator","desc":"Understand your engine's power in any unit."},{"slug":"ev-range-calculator","category":"automotive","categoryLabel":"Automotive","title":"EV Range Calculator","desc":"Know your EV range under real conditions, not just lab tests."},{"slug":"fence-calculator","category":"diy","categoryLabel":"DIY","title":"Fence Calculator","desc":"Fencing projects often require more materials than expected. This calculator accounts for gate openings, post spacing, and the extra concrete needed for each post hole."},{"slug":"fha-loan-calculator","category":"finance","categoryLabel":"Finance","title":"FHA Loan Calculator","desc":"FHA loans, backed by the Federal Housing Administration, require only 3.5% down for borrowers with credit scores of 580+. However, they include Mortgage Insurance Premiums (MIP) — both an upfront and annual premium. This calculator shows your true monthly cost including the mandatory MIP insurance."},{"slug":"flooring-calculator","category":"diy","categoryLabel":"DIY","title":"Flooring Quantity Calculator","desc":"Never buy the wrong amount of flooring again. This calculator accounts for room dimensions, box coverage, and a built-in waste factor to ensure you have enough material for cuts and mistakes."},{"slug":"freelance-rate-calculator","category":"business","categoryLabel":"Business","title":"Freelance Hourly Rate Calculator","desc":"Freelancers often undercharge by ignoring taxes, expenses, and non-billable time. This calculator determines your true hourly rate by factoring in desired salary, business expenses, taxes, and a profit margin for growth."},{"slug":"fuel-cost-calculator","category":"travel","categoryLabel":"Travel","title":"Fuel Cost Calculator","desc":"Calculate the exact fuel cost for your trip. Know exactly how much to budget for gas before you leave."},{"slug":"fuel-economy-converter","category":"automotive","categoryLabel":"Automotive","title":"Fuel Economy Converter","desc":"Compare fuel economy across different measurement systems."},{"slug":"gpa-calculator","category":"education","categoryLabel":"Education","title":"GPA Calculator","desc":"Calculate your Grade Point Average and see your corresponding letter grade."},{"slug":"gravel-calculator","category":"diy","categoryLabel":"DIY","title":"Gravel Calculator","desc":"Whether you are laying a driveway, filling a hole, or doing landscaping, know exactly how much gravel to order. This calculator converts your area dimensions into cubic yards and tons, factoring in the density of different materials."},{"slug":"gross-profit-calculator","category":"business","categoryLabel":"Business","title":"Gross Profit Calculator","desc":"Gross profit measures how efficiently a company produces its goods. Gross margin is the percentage of revenue that exceeds COGS. Understanding the difference between margin and markup is critical for pricing."},{"slug":"heart-rate-zone-calculator","category":"health","categoryLabel":"Health","title":"Heart Rate Zone Calculator","desc":"Training zones help you target specific fitness goals. Zone 2 is ideal for fat burning and base fitness. Zones 4-5 are for peak performance and interval training. Using the Karvonen method with your resting HR gives more accurate zones than max-HR only."},{"slug":"heating-cost-calculator","category":"home","categoryLabel":"Home & Garden","title":"Heating Cost Calculator","desc":"Budget accurately for your winter heating bills."},{"slug":"heloc-calculator","category":"finance","categoryLabel":"Finance","title":"HELOC Calculator","desc":"A HELOC offers flexible access to home equity. During the draw period you typically pay interest only, then the repayment period begins with full amortized payments. Our calculator shows costs for both phases."},{"slug":"hourly-rate","category":"business","categoryLabel":"Business","title":"Freelance Hourly Rate Calculator","desc":"Freelancers often underprice their time. This calculator factors in your target salary, business expenses, taxes, and the reality that you cannot bill 24/7 to give you a realistic hourly rate that covers all costs."},{"slug":"insulation-calculator","category":"diy","categoryLabel":"DIY","title":"Insulation Calculator","desc":"Proper insulation saves 10-30% on heating and cooling costs. This calculator figures batt rolls for walls and ceilings separately, since you may need different thicknesses. Always add waste factor for cuts and fittings."},{"slug":"insurance-cost-calculator","category":"automotive","categoryLabel":"Automotive","title":"Car Insurance Cost Calculator","desc":"Know exactly what your car insurance should cost."},{"slug":"interest-calculator","category":"finance","categoryLabel":"Finance","title":"Simple Interest Calculator","desc":"Our free simple interest calculator instantly computes the interest earned on any loan or savings account using the standard formula I = P x R x T. Enter your principal, rate, and time to see your interest breakdown and total balance in seconds."},{"slug":"inventory-turnover","category":"business","categoryLabel":"Business","title":"Inventory Turnover Calculator","desc":"Inventory turnover is a key efficiency metric for any business that sells physical products. It measures how many times your inventory is sold and replaced over a period. A higher turnover means efficient inventory management; too high may indicate lost sales from stock-outs. Calculate your turnover ratio and days of inventory on hand to benchmark your operations."},{"slug":"ira-calculator","category":"finance","categoryLabel":"Finance","title":"IRA / Roth IRA Calculator","desc":"Traditional IRAs offer tax-deductible contributions now but taxable withdrawals later. Roth IRAs use after-tax dollars but grow and withdraw tax-free. This calculator projects both scenarios so you can compare which gives you more money in retirement based on your tax rate and contribution amount."},{"slug":"jet-lag-calculator","category":"travel","categoryLabel":"Travel","title":"Jet Lag Calculator","desc":"Plan your itinerary around your body clock."},{"slug":"loan-amortization","category":"business","categoryLabel":"Business","title":"Loan Amortization Calculator","desc":"Our loan amortization calculator computes your monthly payment, total interest paid over the life of the loan, and total cost. Essential for comparing mortgage offers, auto loans, and business financing."},{"slug":"loan-payment","category":"finance","categoryLabel":"Finance","title":"Monthly Loan Payment Calculator","desc":"Understand the true cost of any loan before you sign. Our calculator breaks down monthly payments, total interest, and total repayment amount. Essential for comparing car loans, personal loans, and credit options."},{"slug":"lumber-calculator","category":"diy","categoryLabel":"DIY","title":"Lumber Calculator","desc":"Lumber is sold by the board foot — a unit of volume used in the US and Canada. One board foot = 144 cubic inches. This calculator converts your board dimensions into board feet so you can order the correct amount from a lumber yard."},{"slug":"macro-split-calculator","category":"health","categoryLabel":"Health","title":"Macro Split Calculator","desc":"Macronutrient balance matters for body composition, energy, and recovery. Protein supports muscle, carbs fuel performance, and fats support hormones. Our calculator uses evidence-based ratios for different goals."},{"slug":"maintenance-cost-calculator","category":"automotive","categoryLabel":"Automotive","title":"Vehicle Maintenance Cost Calculator","desc":"Budget accurately for your car maintenance needs."},{"slug":"markup-calculator","category":"business","categoryLabel":"Business","title":"Markup Calculator","desc":"Markup and profit margin are often confused. Markup is based on cost while margin is based on selling price. This calculator shows you the selling price, profit, and actual margin so you can price your products correctly and maintain healthy margins."},{"slug":"mileage-calculator","category":"travel","categoryLabel":"Travel","title":"Mileage Calculator","desc":"Plan your road trip budget and timing."},{"slug":"mortgage-affordability-calculator","category":"finance","categoryLabel":"Finance","title":"Home Affordability Calculator","desc":"Know your true home buying power."},{"slug":"mortgage-affordability","category":"finance","categoryLabel":"Finance","title":"Mortgage Affordability Calculator","desc":"Before house hunting, know your real budget. This calculator uses the 28/36 rule lenders apply: max 28% of income for housing and max 36% for total debt. Factor in your down payment and current debts to find your true price range."},{"slug":"mulch-calculator","category":"diy","categoryLabel":"DIY","title":"Mulch Calculator","desc":"Mulch is sold by the cubic yard at most garden centers, or in 2-cu-ft bags at hardware stores. This calculator gives you both quantities so you can order the right amount and avoid overpaying for delivery or buying too many bags."},{"slug":"net-income-calculator","category":"business","categoryLabel":"Business","title":"Net Income Calculator","desc":"Your gross income is not what you take home. Taxes, deductions, and insurance premiums reduce your actual income. This calculator gives you your true net income — what you actually earn after everything is taken out. Use it for budgeting, loan applications, or financial planning."},{"slug":"oil-change-calculator","category":"automotive","categoryLabel":"Automotive","title":"Oil Change Interval Calculator","desc":"Never miss your oil change deadline."},{"slug":"pace-calculator-sports","category":"sports","categoryLabel":"Sports","title":"Pace Calculator","desc":"Plan your race pace with precision."},{"slug":"pacing-calculator","category":"health","categoryLabel":"Health","title":"Running Pacing Calculator","desc":"Pacing is the key to a good race day. Too fast early and you will burn out. Too slow and you miss your goal. Our calculator converts your target time into pace per kilometer and speed for any race distance."},{"slug":"packing-list-calculator","category":"travel","categoryLabel":"Travel","title":"Packing List Calculator","desc":"Never over-pack again. Get an optimized packing list based on your trip details."},{"slug":"paint-calculator","category":"diy","categoryLabel":"DIY","title":"Paint Quantity Calculator","desc":"Never guess how much paint you need. Enter your room dimensions and this calculator tells you exactly how many gallons or liters of paint to buy. Includes a buffer for coats and standard door deductions."},{"slug":"payroll-calculator","category":"business","categoryLabel":"Business","title":"Payroll Calculator","desc":"Understanding your paycheck breakdown is essential for personal financial planning. This payroll calculator shows you the full breakdown of gross pay minus FICA (Social Security + Medicare), federal and state income taxes, and any pre-tax deductions like 401(k) contributions or health insurance."},{"slug":"profit-margin-calculator","category":"business","categoryLabel":"Business","title":"Profit Margin Calculator","desc":"Understand your real profitability with our profit margin calculator. See the margin percentage, markup, and actual dollar profit per unit. Essential for pricing strategy and business planning."},{"slug":"property-tax-calculator","category":"realestate","categoryLabel":"Real Estate","title":"Property Tax Estimator","desc":"Property tax is often the largest ongoing cost of homeownership after the mortgage. Millage rates vary by locality and are applied to the assessed value after exemptions. Our calculator gives you a realistic estimate."},{"slug":"refinance-break-even-calculator","category":"finance","categoryLabel":"Finance","title":"Refinance Break-Even Calculator","desc":"Refinancing your mortgage saves you on interest but costs 2-5% of the loan amount in closing costs. The break-even point tells you how long it takes for your monthly savings to cover those costs. If you plan to stay in the home longer than the break-even point, refinancing makes financial sense."},{"slug":"rent-vs-buy-calculator","category":"finance","categoryLabel":"Finance","title":"Rent vs Buy Calculator","desc":"The rent vs buy decision depends on more than current prices. Our calculator accounts for home appreciation, property taxes, maintenance, mortgage interest, and rent increases to show the true financial comparison over your time horizon."},{"slug":"rental-income-calculator","category":"realestate","categoryLabel":"Real Estate","title":"Rental Income Calculator","desc":"Rental income looks good on paper but real cash flow requires accounting for vacancy, maintenance, and expenses. Our calculator shows your realistic monthly and annual cash flow after all costs."},{"slug":"retirement-planner","category":"finance","categoryLabel":"Finance","title":"Retirement Savings Planner","desc":"Know exactly where you stand for retirement. This planner calculates your monthly savings target based on your current savings, desired retirement amount, expected returns, and timeline. Adjust any variable to see how it impacts your goal."},{"slug":"revenue-per-employee-calculator","category":"business","categoryLabel":"Business","title":"Revenue Per Employee Calculator","desc":"Revenue per employee is a simple but powerful efficiency metric. It shows how much revenue each person generates. Tech companies average $150k-$300k while manufacturing is typically $40k-$70k."},{"slug":"roi-calculator","category":"business","categoryLabel":"Business","title":"ROI Calculator","desc":"ROI (Return on Investment) is the most fundamental metric for evaluating any business decision. Our calculator instantly shows your ROI percentage, net profit, and return per dollar invested — essential for comparing projects and justifying spending."},{"slug":"roofing-calculator","category":"diy","categoryLabel":"DIY","title":"Roofing Calculator","desc":"Roofing materials are sold by the 'square' (100 sq ft). This calculator accounts for roof pitch (slope increases material), waste factor for cuts and mistakes, and gives you the exact number of shingle bundles and underlayment squares needed."},{"slug":"salary-converter","category":"finance","categoryLabel":"Finance","title":"Hourly to Salary Converter","desc":"Whether you are a freelancer or contractor, figuring out your equivalent annual salary is crucial for budgeting. This tool converts your hourly rate to annual, monthly, and bi-weekly salary in seconds."},{"slug":"sales-tax-calculator","category":"business","categoryLabel":"Business","title":"Sales Tax Calculator","desc":"Sales tax varies by location from 0% to over 10%. This calculator helps you quickly determine the exact tax amount and total price for any purchase, whether you are a consumer budgeting a purchase or a business pricing goods."},{"slug":"savings-goal-calculator","category":"finance","categoryLabel":"Finance","title":"Savings Goal Calculator","desc":"Whether saving for a house down payment, your child's education, or retirement, know exactly how much you need to set aside each month. This calculator factors in compound growth from your expected return rate, so you can see if your current savings plan will get you there."},{"slug":"scholarship-probability-calculator","category":"education","categoryLabel":"Education","title":"Scholarship Probability Calculator","desc":"Get a realistic assessment of your scholarship prospects."},{"slug":"solar-panel-calculator","category":"home","categoryLabel":"Home & Garden","title":"Solar Panel Calculator","desc":"Estimate the cost, power output, and payback period of a residential solar panel installation."},{"slug":"split-time-calculator","category":"sports","categoryLabel":"Sports","title":"Split Time Calculator","desc":"Plan every checkpoint of your race."},{"slug":"stain-calculator","category":"diy","categoryLabel":"DIY","title":"Wood Stain Calculator","desc":"Never buy too much or too little stain. Our calculator accounts for surface area, wood type absorption rate, and number of coats to tell you exactly how much stain to buy. Covers decks, fences, siding, and outdoor furniture."},{"slug":"standard-deviation-calculator","category":"education","categoryLabel":"Education","title":"Standard Deviation Calculator","desc":"Perform statistical calculations in your browser."},{"slug":"student-loan-calculator","category":"finance","categoryLabel":"Finance","title":"Student Loan Calculator","desc":"Student loans can be one of the biggest financial commitments. Our calculator shows your exact monthly payment, total interest over the life of the loan, and even accounts for grace period interest accrual. Compare different repayment terms to find what works for your budget."},{"slug":"study-time-calculator","category":"education","categoryLabel":"Education","title":"Study Time Calculator","desc":"Plan your study schedule with realistic time estimates."},{"slug":"swimming-pace-calculator","category":"sports","categoryLabel":"Sports","title":"Swimming Pace Calculator","desc":"Know your target pace for every lap."},{"slug":"tax-calculator","category":"finance","categoryLabel":"Finance","title":"Income Tax Calculator","desc":"Our income tax calculator gives you a quick estimate of your take-home pay after federal income tax, Social Security, and Medicare deductions. Use it to plan your budget and understand your real compensation."},{"slug":"tdee-calculator","category":"health","categoryLabel":"Health","title":"TDEE Calculator","desc":"TDEE is the total calories you burn daily including basal metabolism and all activity. It is the foundation of any nutrition plan. Use it to set calorie targets for weight loss, maintenance, or gain."},{"slug":"tennis-score-calculator","category":"sports","categoryLabel":"Sports","title":"Tennis Score Calculator","desc":"Always know where you stand in a match."},{"slug":"test-score-calculator","category":"education","categoryLabel":"Education","title":"Test Score Calculator","desc":"Know exactly how you performed on any test."},{"slug":"tile-calculator","category":"diy","categoryLabel":"DIY","title":"Tile Quantity Calculator","desc":"Calculate exactly how many tiles and boxes you need for any project — flooring, walls, or backsplash. Built-in waste factor ensures you do not run short mid-project."},{"slug":"time-zone-difference","category":"travel","categoryLabel":"Travel","title":"Time Zone Difference Calculator","desc":"Solve the confusion of scheduling across time zones."},{"slug":"tip-calculator-travel","category":"travel","categoryLabel":"Travel","title":"Travel Tip Calculator","desc":"Never over-tip or under-tip while traveling. Know the standard for any country."},{"slug":"tip-calculator","category":"business","categoryLabel":"Business","title":"Tip Calculator","desc":"Tipping can be confusing, especially with large groups. This tip calculator quickly gives you the tip amount, total bill, and per-person cost. Use standard tipping: 15% for acceptable, 18% for good, 20% for excellent service."},{"slug":"tire-size-calculator","category":"automotive","categoryLabel":"Automotive","title":"Tire Size Calculator","desc":"Never guess if your new tires fit. Calculate exact dimensions."},{"slug":"trip-budget-calculator","category":"travel","categoryLabel":"Travel","title":"Trip Budget Calculator","desc":"Plan every dollar of your travel budget. No surprises when you arrive."},{"slug":"utility-bill-calculator","category":"home","categoryLabel":"Home & Garden","title":"Utility Bill Calculator","desc":"Budget accurately for your home utility costs."},{"slug":"vat-calculator","category":"business","categoryLabel":"Business","title":"VAT Calculator","desc":"Our VAT calculator handles both adding tax to a net price and removing tax from a gross price. Essential for freelancers, small businesses, and anyone dealing with invoicing and tax compliance."},{"slug":"vo2-max-calculator","category":"sports","categoryLabel":"Sports","title":"VO2 Max Calculator","desc":"Measure your cardiovascular fitness level."},{"slug":"working-capital-calculator","category":"business","categoryLabel":"Business","title":"Working Capital Calculator","desc":"Working capital measures whether a business can meet its short-term obligations. A positive working capital and current ratio above 1.5 indicate healthy liquidity. Below 1 means you may struggle to pay bills."}]

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