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- Average speed
- km/h
- Result
- Finish time
- 50 min
- You entered
- Distance
- 10 km
- You entered
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Formula
The calculator above works out your average pace and speed for a run, cycle, or walk. Enter the total time taken and the distance covered; it returns your average pace in minutes per kilometer and your average speed in kilometers per hour.
The formulas are:
- Pace (min/km) = Finish time (min) ÷ Distance (km)
- Speed (km/h) = Distance (km) ÷ (Finish time (min) ÷ 60)
Variables: t is the total time in minutes, d is the distance in kilometers. Pace tells you how many minutes each kilometer took; speed tells you how many kilometers you covered in one hour.
Worked Example
Using the defaults from the calculator: finish time = 50 minutes, distance = 10 km.
- Pace = 50 ÷ 10 = 5.00 min/km
- Speed = 10 ÷ (50 ÷ 60) = 10 ÷ 0.8333 = 12.00 km/h
So you ran each kilometer in 5 minutes, which is a speed of 12 km/h. The calculator shows 5.00 min/km and 12.00 km/h.
When to Use This Calculator
Use this tool whenever you want to compare efforts across different distances or times. Runners often use pace to plan race splits; cyclists and walkers may prefer speed. It is also handy for setting training targets: if you want to finish a 10 km race in under 50 minutes, you need to hold at least 5 min/km.
The result is a simple average. It does not account for hills, stops, or variations in effort. For a hilly route, your instantaneous pace will vary, but the average gives a useful overall measure.
Common Mistakes and How to Avoid Them
- Mixing units: If you measure distance in miles, convert to kilometers first (1 mile = 1.60934 km), or the pace will be wrong. The calculator assumes kilometers.
- Using seconds instead of minutes: Enter time in minutes, not seconds. 50 minutes is 50, not 3000.
- Rounding too early: Do the division in one step, as the calculator does. Rounding intermediate steps can shift the final answer by a few seconds per kilometer.
Limitations of the Formula
This is a pure average. It says nothing about how your pace varied during the activity. If you run negative splits (faster in the second half), your average pace is still correct, but it hides the pattern. For training analysis, you would want per-kilometer splits, which this calculator does not provide.
Also, the formula assumes continuous movement. If you stop for traffic lights or water breaks, the time you enter should include those stops if you want the average pace for the whole outing, or exclude them if you want moving pace only.
Frequently Asked Questions
How do I convert my pace to speed?
Divide 60 by your pace in minutes per kilometer. For example, 5 min/km gives 60 ÷ 5 = 12 km/h. The calculator does this for you.
What is a good running pace for a beginner?
It varies widely by age, fitness, and gender. A common starting point is 6-7 min/km for a casual jog. This calculator helps you find your own baseline, not compare to others.
Can I use this for walking?
Yes, the same formula works for any activity where you cover distance over time. A typical walking pace is 12-15 min/km, so the calculator will show a slower speed.
Why does the calculator show two decimals?
Two decimals give a reasonable level of precision for pace (e.g., 5.25 min/km) without implying false accuracy. Your watch may show more, but for planning, two decimals is enough.
What if I run on a treadmill?
Use the distance shown on the treadmill display. Treadmills are usually calibrated, but for outdoor running, GPS distance is more accurate. The formula is the same.
Does the calculator account for elevation gain?
No. Elevation makes the effort harder but does not change the mathematical relationship between time and distance. For hilly routes, your pace will be slower, but the average is still valid.
Related
Formula used
in t | Finish time | min | 50 | 0 in d | Distance | km | 10 | 0 out pace | Average pace | min/km | t / d | 2 out speed | Average speed | km/h | d / (t / 60) | 2
Each line is one input (in, sel, list) or one result (out: label, unit, formula, decimals). How the calculators work
Method: the standard formula for this calculation, rounded as each result states. See how the calculators work or report an error.