Length Converter
Convert between metric and imperial length units instantly. Enter a value, choose your unit, and see all conversions at once.
How to Use the Length Converter
This length converter handles both metric and imperial units with ease:
- Enter a numeric value in the input field. Decimals are supported.
- Select the unit you are converting from using the dropdown menu.
- View all conversions instantly in the results table. No need to press a button.
- Click Copy next to any value to copy it to your clipboard.
About Length Measurement
Length is one of the most fundamental physical quantities, representing the distance between two points. The metric system, based on the meter, is the international standard used by most countries. The imperial system, still common in the United States and United Kingdom, uses inches, feet, yards, and miles. One meter is defined as the distance light travels in a vacuum in 1/299,792,458 of a second.
Key relationships include: 1 inch = 2.54 cm (exact), 1 foot = 12 inches, 1 yard = 3 feet, 1 mile = 5,280 feet, and 1 kilometer = 1,000 meters. Nautical miles are used in aviation and marine navigation, equal to 1,852 meters. Understanding these conversions is crucial for engineering, construction, travel, and everyday measurements.
Frequently Asked Questions
There are approximately 3.28084 feet in one meter. To convert meters to feet, multiply the meter value by 3.28084.
Multiply the number of kilometers by 0.621371 to get miles. For example, 10 km = 10 × 0.621371 = 6.21371 miles.
There are exactly 2.54 centimeters in one inch. This is an exact definition established by international agreement in 1959.
A nautical mile is a unit of length used in air and marine navigation. It equals exactly 1,852 meters (approximately 1.15078 statute miles or 6,076.12 feet).