Speed / Distance / Time Calculator

Solve the classic physics triangle. Select what you want to find, enter the two known values, and get the answer instantly.

I want to find...

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Speed
Distance ÷ Time
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Distance
Speed × Time
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Time
Distance ÷ Speed
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Speed, Distance & Time Formula

The relationship between speed, distance, and time is one of the most fundamental equations in physics: Speed = Distance / Time.

Unit Conversions

  • 1 km/h = 0.2778 m/s = 0.6214 mph
  • 1 mph = 1.6093 km/h = 0.4470 m/s

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