Length Converter: Metric, Imperial, and More
Converting between length units is essential for international travel, construction, science, and everyday tasks. Our converter handles 12 common length units from nanometers to light years, with instant real-time conversion and an "All Conversions" view showing every unit at once.
For comprehensive unit conversion, see our Unit Converter. For weight, try Weight Converter.
Common Length Conversions
Metric to Imperial: 1 meter = 3.281 feet = 39.37 inches. 1 kilometer = 0.621 miles. Imperial to Metric: 1 foot = 0.305 meters = 30.48 cm. 1 inch = 2.54 cm. 1 mile = 1.609 kilometers.
FAQ
What's a nautical mile?
A nautical mile (1,852 meters) is used in aviation and maritime navigation, equal to one minute of latitude. It's about 15% longer than a statute mile.