Power Weight Calculator
Performance & Power-to-Weight Dynamics
Power-to-Weight Ratio Calculator – Calculate HP per Ton
Calculate your vehicle power-to-weight ratio in horsepower per tonne (hp/tonne), kW/tonne, and pounds per horsepower. Factor in driver, passenger, and track ballast weights.
Engine Power Output
Vehicle Curb Weight
Mustang & Sports Car Presets:
Power-to-Weight Ratio
253.4
HP / Tonne
High-Performance Sports Car
Every horsepower moves 8.70 lbs (3.95 kg) of total vehicle mass including driver.
Power Output in kW
335.6 kW
456.3 PS (Metric HP)
kW per Metric Tonne
188.9 kW/t
Standard EV & FIA benchmark
Weight per Horsepower
8.70 lb / HP
3.95 kg / HP
Total Test Weight
3,915 lbs
1,775.8 kg (1.776 tonnes)
Automotive Performance Spectrum (HP / Tonne)
Commuter (~100)
Hot Hatch (~180)
V8 Sports (~260)
Supercar (~450)
Hypercar (800+)