Pace Calculator

Calculate running pace, finish time, or distance — with split times.

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Fill in the fields above and click Calculate.

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What is a Pace Calculator?

A pace calculator is an essential tool for runners, cyclists, and triathletes planning their training and race strategy. Pace is the time taken to cover a unit of distance — most commonly expressed as minutes per kilometre or minutes per mile. Knowing your pace allows you to set realistic finishing time goals, structure interval workouts, and compare performance across different events.

This calculator works in three modes: find your pace from a known distance and time, estimate your finish time from a given pace and distance, or calculate how far you can go in a set time at a given pace. It also shows race split projections for popular distances such as 5K, 10K, half marathon, and marathon.

How to Use

  1. Choose your calculation mode: Find Pace, Find Time, or Find Distance.
  2. Select whether you prefer kilometres or miles.
  3. Enter the known values (distance, time, or pace as required by the mode).
  4. Click ✨ Calculate to see your result and race split projections.

Frequently Asked Questions

For beginner runners, a comfortable easy pace is typically 7–9 min/km (11–14 min/mile). The most important thing is to run at a conversational pace — you should be able to speak in short sentences. As your fitness improves over weeks, your comfortable pace will naturally become faster.

Multiply your pace in min/km by 1.60934 to get min/mile. For example, 5:00 min/km = 5 × 1.60934 ≈ 8:03 min/mile. This calculator handles the conversion automatically when you switch between km and miles.

No. This tool runs entirely in your browser. Your input is never sent to any server, never logged, and never stored. Closing the tab removes all data immediately.
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