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Unit Converter / Speed & Pace

Speed & Pace Converter

Convert km/h, m/s, mph, knots, Mach and runner pace in minutes:seconds per kilometre in one live matrix.

Back to Converter HubLocal Browser-local conversion · no upload

Unit workspace

Convert any supported unit locally; no server processing is involved.

Supports decimals, scientific notation, simple fractions and mixed fractions.

Reference basis: 60 km/h = 1,000 m/min; pace is approximately 1:00/km.

Live all-unit matrix

Edit any row; all other units update immediately.

Progress0%

Enter a value to calculate every unit locally.

Features and quick guide

Speed & Pace Converter features

Link velocity units with runner pace; the pace row accepts 5:30 notation, and the Mach reference is shown alongside each result.

3-step quick guide

  1. 1
    Choose km/h, m/s, pace or another source unit.
  2. 2
    Enter a velocity or minutes:seconds pace and review every result.
  3. 3
    Copy a result and check the Mach or pace reference.

Local privacy statement

Speed and pace values are converted locally without server transmission.

No login, membership or server processing is required.

Frequently asked questions

How do I enter pace?

Enter 5:30 for five minutes thirty seconds per kilometre, or enter total seconds.

Is Mach fixed?

The tool uses approximately 343 m/s for dry air at 20°C as an everyday reference; actual sound speed varies with conditions.

Can speed use fractions?

Yes. Speed rows support simple fractions and scientific notation.