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Formula

The calculator above works out your average pace and speed for a run, ride, or walk. You enter the total time in minutes and the total distance in kilometers; the calculator returns your average pace in minutes per kilometer and your average speed in kilometers per hour.

The formulas are:

• Pace = Time (minutes) ÷ Distance (km)
• Speed = Distance (km) ÷ (Time (minutes) ÷ 60)

Where:

• Time (t) is the total elapsed time in minutes (e.g., 50 minutes).
• Distance (d) is the total distance in kilometers (e.g., 10 km).
• Pace is expressed as minutes per kilometer (min/km).
• Speed is expressed as kilometers per hour (km/h).

Worked Example

Using the default values from the calculator—50 minutes and 10 kilometers—the steps are:

1. Calculate pace: 50 ÷ 10 = 5.0 min/km.
2. Convert time to hours: 50 ÷ 60 = 0.8333 hours.
3. Calculate speed: 10 ÷ 0.8333 = 12.0 km/h.

The calculator shows a pace of 5.00 min/km and a speed of 12.00 km/h. This matches the result you get by hand.

When to Use This Calculator

Use this calculator whenever you want to know your average pace for a training run, a race, or a commute. It is also handy for planning: if you know a route is 8 km and you want to finish in 40 minutes, you can adjust the time input until the pace reads 5:00 min/km. The result is an average—it does not account for hills, stops, or changes in speed, but it gives a reliable overall figure.

How to Read the Result

A lower pace number (e.g., 4:30 min/km) means you are running faster than a higher number (e.g., 6:15 min/km). Speed is the inverse: a higher speed (13 km/h) is faster than a lower one (9 km/h). If you use miles, convert your distance to kilometers first (1 mile = 1.60934 km) or convert the final pace: 1 min/km = 1.60934 min/mile.

Common Mistakes

• Mixing units: Entering distance in miles but expecting a min/km pace gives a wrong result. Always convert to kilometers first.
• Using seconds: If you enter time in seconds rather than minutes, the pace will be off by a factor of 60. Convert seconds to minutes by dividing by 60.
• Rounding too early: Rounding the time conversion (e.g., 50/60 = 0.8 instead of 0.8333) can shift the speed by a few tenths. Keep full precision until the final step.

Limitations of the Formula

This is a simple average calculation. It does not reflect interval training, elevation gain, or stops at traffic lights. For a race, the average pace is exactly what the formula gives, but for a training run with pauses, the pace will look slower than your moving pace. If you need moving pace, you must track time only while moving, not the total elapsed time.

Frequently Asked Questions

What is a good pace for a beginner?

A typical recreational jogger runs at 6:00 to 8:00 min/km (about 7.5 to 10 km/h). Beginners often start closer to 8:00 min/km and gradually speed up. There is no universal “good” pace—it depends on age, fitness, and terrain.

How do I convert pace to speed?

Speed (km/h) = 60 ÷ pace (min/km). For example, a 5:00 min/km pace equals 60 ÷ 5 = 12 km/h. Conversely, pace = 60 ÷ speed.

Does this calculator work for walking?

Yes. The math is identical for walking. A typical walking pace is 10 to 15 min/km (4 to 6 km/h), so the calculator is useful for hikers and walkers too.

What if I run on a treadmill?

The calculator works the same. Enter the treadmill’s time and distance. Note that treadmill pace is often slightly easier than outdoor pace due to the belt assisting your stride, so your outdoor pace may be a bit slower.

Why is my speed higher than I expected?

If you entered a short distance (e.g., 2 km) and a long time (e.g., 30 minutes), the speed will be low. If you entered a long distance and short time, the speed will be high. Check that you used kilometers and minutes, not miles and hours.

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in t | Finish time | min | 50 | 0
in d | Distance | km | 10 | 0 | 100000
out pace | Average pace | min/km | t / d | 2
out speed | Average speed | km/h | d / (t / 60) | 2