Speed, Distance & Time Calculator
Calculate speed, distance, or travel time. Enter any two values and solve for the third. Supports km/h, mph, m/s, knots and multiple time formats.
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Frequently asked
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Speed = Distance ÷ Time. You can rearrange this to find any variable: Distance = Speed × Time, or Time = Distance ÷ Speed. This calculator handles all three arrangements.
Yes — enter your distance (e.g. 5 km) and time (e.g. 00:25:00) and the calculator will show your speed in km/h. Divide 60 by that number to get your pace in minutes per km.
Enter time in HH:MM:SS format (e.g. 1:30:00 for 1 hour 30 minutes). You can also enter decimal hours in the hours field (e.g. 1.5 for 1.5 hours).