Speed, Distance & Time Calculator

Calculate speed, distance or time using the fundamental physics relationship: speed = distance / time. This calculator accepts any common unit and outputs all three quantities in multiple units simultaneously.

Speed
100 km/h
Speed
27.7778 m/s
Speed
62.1371 mph
Distance
100 km
Time
1 hrs
Time
60 min

Frequently asked questions

What is the difference between speed and velocity?

Speed is a scalar (how fast), velocity is a vector (how fast AND in what direction). For most everyday calculations, speed is what you need.

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<p><a href="https://letmecalc.com/science/speed-calculator" target="_blank" rel="noopener">Speed Calculator</a> by letmecalc</p>
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