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Formula

The calculator above works out your average pace and speed for a run, walk, or ride. You enter the finish time (in minutes) and the 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 ÷ Distance (min/km)
• Speed = Distance ÷ (Time ÷ 60) (km/h)

Where:

• Time (t) = total time in minutes
• Distance (d) = distance in kilometers
• Pace = minutes per kilometer (lower is faster)
• Speed = kilometers per hour (higher is faster)

Worked Example

Using the default values: 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

The calculator shows the same results: 5.00 min/km and 12.00 km/h.

When to Use This Calculator

Use this calculator when you want to know your training pace for a specific distance, or when you need to compare efforts across different distances. Runners often use pace to set interval targets. Cyclists and walkers may prefer speed. The calculator gives both so you can switch between them without doing the math again.

You can also reverse it: if you know your target pace and distance, you can estimate your finish time. For example, a 10 km race at 5:30 min/km would take about 55 minutes.

How to Read the Result

The first output (pace) is the headline answer. A lower pace means faster. The second output (speed) is just another way of expressing the same performance. For most runners, pace is more intuitive because it directly relates to how you feel during the run. For cyclists or drivers, speed is more natural.

Remember that pace is not linear: going from 6 min/km to 5 min/km is a 16.7% improvement in speed, not a 1-minute improvement. Always compare using speed or percentage change, not raw pace differences.

Common Mistakes

• Mixing units: If you enter distance in miles but time in minutes, the pace will be in minutes per mile, not minutes per kilometer. The calculator assumes kilometers. Convert miles to kilometers by multiplying by 1.60934.
• Using seconds: If you enter your finish time as 50:30 (50 minutes, 30 seconds), you must convert the seconds to decimal minutes (50.5) before entering. The calculator only accepts minutes as a single number.
• Rounding too early: If you round the pace to 5.0 min/km and then use that to predict a race time, you may be off by a few seconds. Keep at least two decimal places in intermediate steps.

Limits of the Formula

This formula gives your average pace and speed, but it does not account for elevation gain, stops, or uneven effort. If you run a hilly course, your average pace will be slower than your flat-course pace even if you feel you worked just as hard. The formula also assumes you are moving the entire time; if you stop for water or traffic lights, your actual moving pace will be faster than the average pace over the total time.

For training purposes, most athletes use moving pace (excluding stops) to gauge effort. This calculator gives the overall average, which is useful for race day but less useful for training on a busy route.

Frequently Asked Questions

How do I convert my pace to mph?

Divide 60 by your pace in minutes per mile. For example, a 9 min/mile pace is 60 ÷ 9 = 6.67 mph. To convert from min/km to mph, first convert to min/mile (multiply by 1.609), then divide 60 by that number.

What is a good running pace for a beginner?

A comfortable conversational pace for a beginner is often between 7:30 and 9:00 min/km (about 12 to 8 km/h). This varies widely with age, fitness, and terrain. The best pace is one you can maintain while speaking a full sentence.

Can I use this calculator for walking?

Absolutely. The same formula applies to walking, cycling, or any activity where you cover distance over time. A typical walking pace is 12 min/km (5 km/h) or slower.

Why is my speed in km/h not exactly 60 divided by my pace?

It is exactly that, but only if you use the same units. 60 ÷ pace (min/km) gives speed in km/h. For example, 60 ÷ 5 = 12 km/h. If you see a slight difference, it is due to rounding in the displayed pace.

Does this calculator work for treadmill running?

Yes, but be aware that treadmill pace is often slightly faster than outdoor pace for the same effort because there is no wind resistance and the belt assists your stride. Use the same formula with the treadmill’s distance and your time.

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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