Pace Calculator

Pace Calculator is a simple, powerful tool for runners who want instant answers: calculate running pace, split times, target finish times and training paces for any distance. Whether you’re planning a race, setting interval targets, or checking what pace you need to hit your goal, Pace Calculator gives clear results fast.
Key features
Pace <-> time <-> distance conversions: switch between pace (min/km or min/mi), total time and distance.
Split and lap calculator: get per-km / per-mile splits for any target time.
Race predictor & target pace: enter a goal time and see the pace you need to run.
Training pace zones: suggested training paces for easy, tempo, threshold and interval workouts.
Unit support: kilometers and miles with fast switching.
Custom distances: calculate for 5K, 10K, half, marathon or any distance you choose.
Share results: copy or share splits and plans to messages or social apps.
Fast, intuitive interface — built for quick planning on the go.
Why runners love it
Save time planning workouts and race strategies.
Perfect for beginners setting realistic targets and for experienced athletes fine-tuning splits.
Handy for coaches and pacing partners — create and share split plans in seconds.
How it helps
Turn a target finish time into exact per-km / per-mile splits.
Convert a known pace into predicted race time or check different race distances.
Plan interval sessions by converting workout paces into lap times.
Get started Open the app, enter any two of: distance, pace or time — Pace Calculator will compute the third and provide split details immediately. Adjust units and distance, then share or save your plan.