FreeToolStation

Running Pace Calculator

Pace, time and distance, with race splits.

Health Calculators Free, no sign-up Runs in your browser

Per kilometre or mile.

—
Pace per km
—
Pace per mile
—
Finish time
—
Speed
—
Distance
DistanceFinish time at this pace

About the Running Pace Calculator

Running Pace Calculator converts between the three quantities a run is described by: distance, time and pace. Give it any two and it returns the third, with the pace in both minutes per kilometre and minutes per mile, and the speed in km/h.

The race table is the part runners use most. Once a pace is set, it projects the finish time for every standard distance, which is how you check whether a target is consistent. If your 5 km pace projects a marathon time you know you cannot run, the target pace is wrong -- real performance drops as distance rises, by roughly five per cent per doubling.

Pace per mile and pace per kilometre differ by a factor of 1.609, which sounds obvious and catches people constantly: a 5:00 kilometre is an 8:03 mile, not a 5:00 mile. Races, watches and training plans mix the two freely, so both are always shown here.

This is general information and not medical advice. The formula cannot know your medical history, your medication, your body composition or anything else specific to you. Speak to a doctor or another qualified professional about any question concerning your health, and never delay seeking advice because of a figure on this page.

Your measurements are processed inside your own browser. Height, weight, age and anything else you enter never leave your device, nothing is logged, and nothing survives closing the tab.

Looking for something this does not cover? FreeToolsHub.org is another hub of free online tools that need no account, and it is worth a look if running pace calculator is only part of what you are working on.

How to use the Running Pace Calculator

  1. Choose work out and distance inThe fields below change to match what you pick, so only the figures that matter to your case are asked for.
  2. Enter distance, hours and minutesDecimals are fine, and thousands separators are accepted and ignored.
  3. Read the pace per km, pace per mile and finish timeThe figures update as you type. The Calculate button is there if you would rather press something, but nothing waits for it.
  4. Copy or check the resultCopy the summary with the copy button, or open the table to check it row by row.

Features

  • Shows pace per km, pace per mile, finish time, speed and distance together, so you are not running it twice
  • A results table you can read across
  • Updates as you type, with no button to press and no page reload
  • Copy the result in one click
  • Free, no sign-up, and it runs entirely in your browser

Who uses this tool

The running pace calculator is used by writers, developers, students, marketers and anyone else who needs the job done once without installing software. Common cases include:

  • Working out the pace a finish time needs
  • Converting between minutes per km and per mile
  • Projecting race times at a training pace
  • Finding how far you can run in a set time

Frequently asked questions

How do I convert pace per km to per mile?

Multiply by 1.609344. A 5:00 km is an 8:03 mile. Both are shown here so you do not have to.

Are the projected race times realistic?

They assume the same pace at every distance, which nobody manages. Real times drop by roughly five per cent per doubling of distance, so treat longer projections as optimistic.

What is a good pace?

Entirely individual. Your own trend over months is the measure that matters; comparing against other people mostly tells you about their training history.

If the running pace calculator is not quite what you need, these other free tools solve closely related problems, and there are 19 more in health calculators.

Time Duration Calculator

The gap between two times, or a duration added to or taken from a time.

Date & Time Calculators Use tool

Calorie Calculator

Daily calorie needs from BMR and activity level.

Health Calculators Use tool

Checked and rebuilt on 2026-10-14. The method this calculator uses is described in the section above, and corrections go through the contact page.