How to use it
- Enter power and choose hp or kW.
- Enter weight and choose kg or lb.
- Calculate power-per-weight and weight-per-horsepower ratios.
Power-to-Weight Ratio Calculator
Normalize power and weight into comparable ratios.
Important: This calculator provides estimates only. It is not safety, legal, mechanical, or professional automotive advice. Always follow manufacturer specifications and consult a qualified professional when needed.
About the Power-to-Weight Ratio Calculator
This calculator compares stated vehicle power with stated mass after normalizing their units.
Calculation logic
Power is converted between hp and kW, while weight is converted to kilograms and metric tons before division.
Example
A vehicle with 200 hp and 1,500 kg has about 133.33 hp per metric ton and 7.5 kg per horsepower.
Notes
The ratio does not predict acceleration, traction, handling or safe vehicle performance. Published power and weight definitions may differ.