How to use the length converter
This length converter lets you switch between the most common metric and imperial units of length. Choose the unit you are converting from on the left and the unit you are converting to on the right, enter a value, and click "Convert" to see the result instantly. A handy "Swap" button reverses the direction so you can check the conversion both ways without re-entering numbers. The converter supports meters, kilometers, centimeters, millimeters, micrometers, inches, feet, yards, miles, and nautical miles.
Length conversion is one of the most frequent tasks in everyday life, travel, engineering, and science. Knowing how to switch between metric (used by most of the world) and imperial (common in the US and UK) is essential for reading blueprints, following recipes, planning trips, or comparing product dimensions across different countries. For example, 1 mile is approximately 1.609 kilometers, 1 foot equals 0.3048 meters, and 1 inch is exactly 2.54 centimeters. This tool applies those exact conversion factors so every result is precise to eight decimal places.
The converter works entirely in your browser. No sign-up, no download, and no ads blocking the view. It is designed to be mobile-friendly: the two-column layout stacks on small screens, inputs are touch-friendly, and the result is shown clearly beside the input so you can glance at both values at once. Whether you are a student, traveler, engineer, or DIY enthusiast, this length converter gives you fast, accurate results wherever you are.
For each conversion the tool also displays the unit ratio (e.g. "1 Meter = 3.28084 Foot"), which is useful when you need to memorize or quote the factor in a report. Bookmark this page for quick access next time you need to convert a length measurement.