Free speed converter — mph, km/h, m/s, knots, ft/s — for driving, running, sailing, and aviation.
Speed converter
Base unit: m/s · 7 units
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The QuickToolz Speed Converter translates between every common speed unit — meters per second, kilometers per hour, miles per hour, knots, and feet per second. Useful for driving abroad, running pace conversion, sailing, and aviation.
Everything you need, nothing you don’t. Built for speed and simplicity.
Type into any speed field — every other field updates live.
Supports m/s, km/h, mph, knots, ft/s.
Live updates as you type — no calculate button.
Everything you need, nothing you don’t. Built for speed and simplicity.
Enter a number in any unit — the other units update instantly.
Got questions? We’ve got answers. Common questions about Speed Converter.
Uses official SI and NIST conversion factors.
The converter is bi-directional — type into any field.
One-click copy for the unit you need.