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The very best, finest and most useful calculator for runners. No ads and absolutely no fee.

It'll convert pace to speed, kilometers to miles and will calculate your score in terms of any competition.

- pace/speed conversion
- kilometers/miles conversion
- calculating the duration of a competition based on pace or speed
- calculating the necessary speed for the established duration of a competition
- calculating lap times of every kilometer or mile

This is great supplement for apps like runkeeper or endomondo. Try it!

What’s New

Version 1.5.1

Minor changes and fix bug with app crashing on iOS14

Ratings and Reviews

3.0 out of 5
2 Ratings

2 Ratings

MyLondon03 ,

Simple and helpful!

It's easy to use and helps keep track of my miles. I like that it can covert miles to kilometers for when i travel out of the states.

sgotani ,

Km and miles is backwards

When you go to custom distance, the km and miles are backwards. Please fix

App Privacy

The developer, KISS digital sp. z o.o., has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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