What this calculator does
Average speed in km/h is simply distance travelled divided by time taken, expressed in kilometres per hour. It answers the plain question of how fast something moved on average over a trip, whether that is a run, a bike leg, a car journey or a boat crossing, without needing to think in terms of pace per kilometre.
This is a good running speed km/h question is really asking for a benchmark: a relaxed jog usually sits somewhere around 8 to 10 km/h, a solid recreational run around 10 to 13 km/h, and competitive runners well above that. The same calculation applies just as well to an average boat speed km/h, where distance and elapsed time are usually all that is logged.
The formula
Enter the distance covered and the total time taken, split into hours, minutes and seconds. The calculator converts the time to hours and divides distance by that figure to get kilometres per hour, then converts the same result to miles per hour and metres per second for reference.
| Term | Meaning |
|---|---|
| Speed | Distance covered divided by time taken, in kilometres per hour. |
| Distance | The total distance travelled, in kilometres. |
| Time | The total elapsed time for that distance, split into hours, minutes and seconds. |
The inputs explained
| Field | What to enter |
|---|---|
| Distance (km) | The total distance covered, in kilometres. |
| Hours | Whole hours of elapsed time. |
| Minutes | Whole minutes of elapsed time. |
| Seconds | Whole seconds of elapsed time. |
When to use it
Checking a run or ride against a benchmark
Comparing a session's average speed in km/h against a typical range for that activity gives a quick sense of effort level without needing splits or pace tables.
Estimating a boat or vehicle's average speed
Logging distance travelled and time taken on a crossing or a drive gives an average boat speed km/h or road speed, useful for planning the next leg of a trip.
Converting a known speed for another audience
A speed already known in km/h can be checked against mph or m/s, useful when comparing sources that use different units.
Worked examples
Every figure in the tables below is produced by this page’s own calculator at build time, so the numbers and the tool always agree. Select any row to load that scenario.
What speed does a 5 km run at different finish times work out to?
The same 5 km distance across a range of finishing times.
| Minutes taken | Speed | Same speed in mph |
|---|---|---|
| 18 min | 16.67 km/h | 10.36 |
| 20 min | 15.00 km/h | 9.32 |
| 22 min | 13.64 km/h | 8.47 |
| 25 min | 12.00 km/h | 7.46 |
| 30 min | 10.00 km/h | 6.21 |
| 35 min | 8.57 km/h | 5.33 |
Questions
What is a good running speed in km/h?
For most recreational runners, an easy pace sits around 8 to 10 km/h and a solid effort around 10 to 13 km/h, though this varies widely with fitness, terrain and distance. Competitive distance runners typically average well above 15 km/h.
How is this different from a pace calculator?
A pace calculator usually starts from minutes per kilometre or mile, aimed at runners pacing a race. This calculator starts from distance and total time and gives speed directly in km/h, which suits any activity, including cycling, driving or boating.
How do I convert km/h to mph myself?
Divide the km/h figure by 1.60934. The calculator does this automatically alongside the main result.
Can I use this for a boat or a car?
Yes. The maths is the same regardless of what is moving: distance covered divided by time taken. It is commonly used to check an average boat speed km/h on a crossing or a vehicle's average speed on a drive.
For runners who prefer to think in pace rather than speed, see the running pace and finish time calculator.