Length Converter
Convert between metric and imperial lengths.
Ctrl+Enter to convert from first field
Common Conversions
| From | To | Multiply by |
|---|---|---|
| 1 inch | centimeters | 2.54 |
| 1 foot | meters | 0.3048 |
| 1 yard | meters | 0.9144 |
| 1 mile | kilometers | 1.60934 |
| 1 km | miles | 0.621371 |
| 1 nautical mi | kilometers | 1.852 |
| 1 meter | feet | 3.28084 |
Frequently Asked Questions
How many centimeters are in an inch? +
One inch equals exactly 2.54 centimeters. This is an internationally agreed-upon standard used in science, engineering, and everyday measurement.
How do I convert kilometers to miles? +
Multiply the number of kilometers by 0.621371 to get miles. For example, 10 km equals about 6.21 miles. To go the other way, multiply miles by 1.60934.
What is a nautical mile and how does it differ from a regular mile? +
A nautical mile equals 1,852 meters (about 1.151 regular miles). It is based on one minute of latitude and is used in aviation and maritime navigation.
How many feet are in a meter? +
One meter equals approximately 3.28084 feet. Conversely, one foot equals 0.3048 meters exactly.
What is the difference between a micrometer and a nanometer? +
A micrometer is one millionth of a meter (10^-6 m), while a nanometer is one billionth of a meter (10^-9 m). One micrometer equals 1,000 nanometers.