Length Converter
Convert length and distance between metric and imperial units.
Results update as you type.
About this calculator
A length converter turns any distance measurement into another unit — millimeters, centimeters, meters and kilometers on the metric side, and inches, feet, yards and miles on the imperial side, plus the nautical mile. It works by converting your value to meters as a common base and then out to the unit you want.
Frequently asked questions
How many feet are in a meter?
One meter equals about 3.28084 feet. To go the other way, one foot is exactly 0.3048 meters, because a foot is defined as 30.48 centimeters.
How many kilometers are in a mile?
One mile equals 1.609344 kilometers exactly, and one kilometer is about 0.621371 miles. The mile here is the international statute mile of 1,609.344 meters.
What is a nautical mile?
A nautical mile is 1,852 meters — the length of one minute of latitude — and is used in sea and air navigation. It is about 15% longer than a land (statute) mile.
Results are estimates for general guidance only, not financial, medical or tax advice.