Length Converter
The meter (m) is the base length unit here, so every one of the 9 units below, including millimeters and centimeters, converts through it. Enter a value, pick your units, and the result updates instantly, all in your browser.
All length units
| Unit | Symbol | 1 unit in meters |
|---|---|---|
| Millimeter | mm | 0.001 |
| Centimeter | cm | 0.01 |
| Meter | m | 1 |
| Kilometer | km | 1000 |
| Inch | in | 0.0254 |
| Foot | ft | 0.3048 |
| Yard | yd | 0.9144 |
| Mile | mi | 1609.34 |
| Nautical mile | nmi | 1852 |
Popular length converters
The most-searched length conversions, each with a full decimal table, the derivation of the factor and its sources.
All length conversions
Feet and inches (height) conversions
Popular heights in centimetres, converted to feet and inches:
Length converters translate between metric units like meters and centimeters and imperial units like inches, feet and miles. All factors below are anchored to the meter, the SI base unit of length.
Frequently asked questions
How many centimeters are in an inch?
One inch is exactly 2.54 centimeters by international definition, so a centimeter is about 0.3937 inches. UnitGlide uses this exact figure, which is why cm and inch conversions round-trip cleanly.
Is a meter longer than a yard?
Yes, slightly. One meter equals about 1.0936 yards, or roughly 3.28 feet. A yard is defined as exactly 0.9144 meters.
How do I convert kilometers to miles?
Multiply kilometers by 0.621371 to get miles, or divide by 1.609344. For a quick mental estimate, five kilometers is close to three miles.