Engine Horsepower Calculator
Calculate your engine’s horsepower and torque with our comprehensive engine power calculator. Determine performance metrics, power-to-weight ratios, and understand your vehicle’s capabilities.
Step 1: Engine Specifications
Understanding Engine Specifications
Engine displacement, compression ratio, and forced induction all significantly impact horsepower output. Higher compression and boost pressure generally increase power output.
Step 2: Performance Metrics
200 lb-ft
4500 RPM
15%
About Horsepower and Torque
Horsepower is calculated from torque and RPM using the formula: HP = (Torque × RPM) / 5252. Wheel horsepower accounts for drivetrain losses between the engine and wheels.
Engine Performance Results
Summary
Performance
Comparison
Your Estimated Engine Horsepower
171.3 HP
At the crankshaft
Wheel Horsepower
145.6 HP
Power-to-Weight Ratio
0.049 HP/lb
Estimated 0-60 Time
7.2 seconds
Quarter Mile Time
15.4 seconds
Peak Torque
200 lb-ft
Torque-to-Weight Ratio
0.057 lb-ft/lb
Power and Torque Curve
Performance Metrics
| RPM | Torque (lb-ft) | Horsepower | Power Band |
|---|
Vehicle Comparison
Performance Categories
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