// multi-utility computation suite · offline · instant · precise
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auto.horsepower-to-speed Calculator
Estimates a vehicle's theoretical top speed from horsepower, weight, drag coefficient, and frontal area using aerodynamic drag balance. Also estimates 0–100 km/h time — useful for comparing modifications on paper before spending money.
Inputs
Hp
Rate of energy transfer (W). P = V×I (electrical). P = F×v (mechanical). 1 horsepower ≈ 746 W.
Weight Lbs
Body or object weight. For health calculators, usually in kg or lbs.