Quarter Mile Calculator
SI
Imp
Imperial
Inputs
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Vehicle weight
(W)
Race weight including driver and fuel.
lb
Engine power
(P_e)
Crankshaft power before drivetrain losses.
hp
Drivetrain efficiency
(eta)
Estimated power delivered to the tires.
%
Results
Default result
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Estimated ET
12.18
s
Pass
Also computed
Trap speed
Pass
111.9
mph
Wheel power
382.5
hp
Wheel horsepower
383
whp
Weight per whp
9.15
lb/whp
Method notes
2 notes
This is an empirical weight-to-power estimate, not a traction, gearing, aero or shift simulation.
Launch grip, gearing, shift time, aero drag, weather, tire growth and driver inputs can move real ET and trap speed substantially.
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