Speed Calculator

Start with distance and elapsed time to find average speed. Switch calculation type to solve distance, solve time, or convert pace; hidden unit choices use the stated defaults.

Calculation type

Choose whether the missing value is speed, distance, travel time, or running pace.

Enter the known distance when solving for speed or time. In distance mode, this acts as the output unit reference.
Miles, kilometers, meters, and nautical miles are supported.
Enter the known speed when solving for distance or time. In speed mode, this sets the output unit.
The answer is shown in this unit, with metric and imperial conversions below.
Used in pace → speed mode. Enter pace as minutes:seconds, e.g. 8:30 or 5:00.
Whether the pace is per mile or per kilometer.
Whole hours. Used as input in speed and distance modes; shown as part of the solved answer in time mode.
Whole minutes. Values above 59 are allowed and normalized.
Advanced options
Whole seconds for precise travel-time entry.
Answer 60 mph
Metric speed 96.56 km/h · 26.82 m/s
Show calculation details
Distance 120 mi
Travel time 2 hr
Imperial speed 60 mph · 52.14 kn
Pace (per mile · per km) 1:00 /mile · 0:37 /km