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Pace Calculator — Convert Pace to Speed (km/h, mph) & Estimate Race Times

Calculate your running or cycling pace and speed. Convert distance and time into km/h, mph, min/km, min/mile. Supports metric and imperial units. Get estimated race times for 5K, 10K, Half Marathon, and Marathon.

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Fill in the form on the left and click "Calculate"

Pace Calculator — Convert Pace to Speed (km/h, mph)

Our pace calculator is a useful tool if you want to estimate the speed at which someone or something moves. Whether you run, cycle, skate, or do any other sport that involves covering a specific distance, this tool converts your distance and time into meaningful speed and pace values in multiple units.

The Difference Between Pace and Speed

Although both values express similar information, they are the reverse of each other. Speed tells you how much distance you cover in one hour (km/h or mph), while pace tells you how long it takes to cover one unit of distance (min/km or min/mile).

  • Speed (km/h) = distance (km) ÷ time (h)
  • Pace (min/km) = time (min) ÷ distance (km)

Example: If you cover 10 km in 45 minutes, your speed is 10 / 0.75 = 13.33 km/h and your pace is 45 / 10 = 4:30 min/km.

How the Pace Calculator Works

Enter the distance you covered and the time it took. The calculator instantly computes:

  • Speed in km/h and mph
  • Pace per km, per mile, and per 100 m
  • Estimated finish times for 5K, 10K, Half Marathon, and Marathon

Supported distance units: kilometers, miles, meters, and yards — covering both metric and imperial systems.

What Is a Good Pace?

It depends on your fitness level and sport, but here are some reference values:

  • Fast amateur male runner: ~4:18 min/km (≈ 13.95 km/h)
  • Fast amateur female runner: ~5:14 min/km (≈ 11.46 km/h)
  • Elite male runner: ~3:53 min/km (≈ 15.45 km/h)
  • Elite female runner: ~4:23 min/km (≈ 13.7 km/h)
  • Average human running speed: ~7.5 mph (~12.1 km/h)

Average Cycling Speed

For cyclists, typical speeds vary by type of riding:

  • Recreational cyclists: 15–20 km/h
  • Fitness/sport cyclists: 25–30 km/h
  • Elite road cyclists: 40–50 km/h

Frequently Asked Questions

How do I calculate my pace per km?

Divide the total time in minutes by the distance in kilometers. For example: 25 min ÷ 5 km = 5:00 min/km.

How do I convert pace to speed?

Speed (km/h) = 60 ÷ pace (min/km). Example: 4:30 min/km → 60 ÷ 4.5 = 13.33 km/h.

How do I improve my running pace?

  1. Use a fitness tracker or app to monitor your current pace.
  2. Set a speed goal with this calculator and train to reach it.
  3. Incorporate interval training and leg strengthening exercises.
  4. Fuel properly — 30g of carbs ~30 minutes before running can boost performance.

Calculation History

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