Length Converter
Convert length measurements between metric and imperial units including meters, feet, inches, kilometers, miles, and more.
Popular Length Conversions
Complete List of Length Units for Conversion
1 Kilometer [km] = 1000.00 Meter [m]
1 Centimeter [cm] = 0.0100000 Meter [m]
1 Millimeter [mm] = 0.00100000 Meter [m]
1 Micrometer [µm] = 0.00000100000 Meter [m]
1 Nanometer [nm] = 1.00000e-9 Meter [m]
1 Mile [mi] = 1609.34 Meter [m]
1 Yard [yd] = 0.914400 Meter [m]
1 Foot [ft] = 0.304800 Meter [m]
1 Inch [in] = 0.0254000 Meter [m]
1 Nautical Mile [nmi] = 1852.00 Meter [m]
Understanding length conversions
The meter is the SI base unit of length, defined by the distance light travels in vacuum in 1/299,792,458 of a second. All length conversions are derived from this fundamental definition, ensuring consistent and accurate results.
Common length relationships
- 1 meter = 100 centimeters
- 1 kilometer = 1,000 meters
- 1 mile = 1.60934 kilometers
- 1 foot = 0.3048 meters
- 1 inch = 2.54 centimeters
Metric vs Imperial length units
The metric system (meters, kilometers, centimeters) is used by most countries worldwide and is the standard in science and engineering. The imperial system (feet, inches, miles, yards) is primarily used in the United States and a few other countries. Our converter makes it easy to switch between these systems.
Frequently Asked Questions
- How many feet are in a meter?
- One meter equals approximately 3.28084 feet. This conversion factor is based on the international foot definition of exactly 0.3048 meters.
- What is the most accurate length unit?
- The meter is the most precisely defined length unit, based on the speed of light in vacuum. However, for practical purposes, all our supported units provide sufficient accuracy for everyday and professional use.