Length Converter
Convert between meters, kilometers, miles, feet, inches, centimeters, and more.
Overview
Convert length measurements between metric, imperial, and other common units. The tool handles millimetres, centimetres, metres, kilometres, inches, feet, yards, miles, and nautical miles. Accurate unit conversion is essential in engineering, construction, import/export compliance, academic work, and everyday international communication.
Common use cases
- Convert building dimensions between metric and imperial for international projects.
- Translate product specifications for cross-border listings.
- Convert running distances between kilometres and miles.
- Convert screen sizes from inches to centimetres for product research.
Examples and notes
- 5 feet 10 inches is 177.8 cm — useful for profile and medical forms.
- A 10 km run is approximately 6.21 miles.
- One inch equals exactly 2.54 centimetres by international standard.
Important note
Nautical miles differ from statute miles. Use nautical miles only for maritime and aviation contexts. Always verify the unit convention required by your target document or system.
Frequently Asked Questions
How many meters are in a mile?
1 mile = 1,609.344 meters. This is the exact legal definition of the international mile.
How many centimeters are in a foot?
1 foot = 30.48 centimeters. This is a fixed definition used in all international measurement standards.
What is a nautical mile?
A nautical mile equals 1,852 meters. It is used in maritime and aviation navigation and corresponds to one minute of arc of latitude.
How do I convert height from feet and inches to meters?
Convert feet to meters (multiply by 0.3048), convert inches to meters (multiply by 0.0254), then add both. For example, 5 ft 11 in = 1.524 + 0.2794 = 1.803 m.