Free length converter — meters, kilometers, miles, feet, inches, yards, centimeters, millimeters, and more.
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The QuickToolz Length Converter translates between every common length unit — millimeters, centimeters, meters, kilometers, inches, feet, yards, miles, nautical miles — using official SI conversion factors. Type into any field and the rest update live.
Miles to kilometers (1 mi = 1.609 344 km)
Feet to meters (1 ft = 0.304 8 m exactly)
Inches to centimeters (1 in = 2.54 cm exactly)
Kilometers to miles for road-trip planning
Everything you need, nothing you don’t. Built for speed and simplicity.
Type into any length field — every other field updates live.
Supports mm, cm, m, km, in, ft, yd, mi, nautical miles.
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 Length 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.
Length converter
Base unit: m · 12 units