Engine Power (HP) Calculator

Understand your engine's power in any unit. Horsepower puts your car's performance in perspective: Economy class (under 100 HP) covers daily commuters and hybrids designed for fuel efficiency. Average (100-200 HP) is the sweet spot for most family sedans and compact SUVs — enough power for highway merging. Good (200-300 HP) is where sporty compacts and mid-size performance cars live, offering brisk acceleration. Great (300-400 HP) is the territory of sports cars and performance sedans like the BMW M3. Excellent (400+ HP) is supercar and high-performance territory. The formula HP = (Torque × RPM) / 7127 converts engine specs into a meaningful number.

How to Use This Tool

Enter engine torque in Nm.
Enter the RPM.
Get power in HP, kW, and PS.

The Formula

HP = (Torque × RPM) / 7127. 1 HP = 0.7457 kW = 1.01387 PS.

Why It Matters

Your car's specs list 350 Nm of torque at 4,500 RPM. Converting: your engine produces 234 HP (175 kW, 237 PS). For context, a Honda Civic makes ~158 HP and a BMW M3 makes ~473 HP.