Horsepower to Top Speed Estimator
This calculator computes top speed from horsepower.
- Free, no sign-up, works on any device.
- Instant results with a clear explanation of each step.
Figures are estimates from this calculator’s standard formula — adjust the inputs in the tool below for your exact number.
Measure your car’s performance yourself
An OBD2 performance meter logs 0–60 times, power and speed live — verify the numbers you computed here on the road.
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