Free Android App

The Ultimate
Running Calculator

Calculate pace, speed, time, distance, and race splits — everything a runner needs, in one clean app.

Every calculation a runner needs

From training runs to race day strategy — Pace Calc covers it all, with no login or internet required.

Time to Pace

Enter your finish time and distance to instantly calculate your average pace per kilometre or mile.

Pace to Time

Know your target pace? Calculate the exact finish time for any distance — from a 5 K to an ultramarathon.

Speed to Pace

Convert km/h or mph to min/km or min/mile in an instant — perfect for treadmill runners.

Pace to Speed

Go the other way — convert a running pace into speed to match treadmill settings or race data exports.

Pace to Distance

Given a pace and a time, find out exactly how far you will run — great for planning training routes.

Split Strategy

Plan even, negative, or positive splits for your race. Know what pace to hit at every kilometre marker.

Benchmark Calculations

Compare your performance against common race benchmarks and see how you stack up against personal goals.

Ready to run smarter?

Free for Android. No account required. All calculations stay on your device.

Get it on Google Play