Horsepower Calculator
Calculate engine horsepower from torque, dyno results, or track times
Horsepower Formulas
From Torque & RPM
HP = (Torque × RPM) ÷ 5252
5252 is where HP and torque curves intersect
From Quarter Mile
HP = Weight ÷ (ET ÷ 5.825)³
Estimates wheel horsepower from drag strip results
Drivetrain Loss
• RWD Manual: ~15% loss
• RWD Automatic: ~18% loss
• FWD: ~12% loss
• AWD: ~20-25% loss
Horsepower Reference
| Vehicle Type | HP Range | 0-60 mph |
|---|---|---|
| Economy Car | 100-150 HP | 9-12 sec |
| Family Sedan | 150-250 HP | 6-9 sec |
| Sports Car | 300-500 HP | 4-6 sec |
| Supercar | 500-800 HP | 2.5-4 sec |
| Hypercar | 1000+ HP | <2.5 sec |
Related Tools
About Horsepower Calculator - Engine HP & Torque
Calculate engine horsepower from torque and RPM. Convert between HP, torque, and estimate vehicle performance.
Horsepower Calculator - Engine HP & Torque is a powerful online utility designed to help you process images quickly and securely. You can combine this with our Image Compressor for a complete workflow.
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