Kilometer
km
Meter
m
Centimeter
cm
Millimeter
mm
Micrometer
μm
Mile
mi
Yard
yd
Foot
ft
Inch
in
Nautical Mile
nmi
Click any field to use it as your input — all other units update instantly.
Length Converter
Convert between meters, feet, inches, miles, centimeters, yards and more. Instant metric and imperial length conversion.
How to convert length units online for free
- Type any length value into one of the input fields above (no signup needed)
- All other units update instantly — metres, feet, inches, centimetres, miles, and more
- Click any result field to copy the value, or use the swap button to reverse the direction
Why use our Length Converter?
Converting between metric and imperial length is a constant friction point — the US uses feet and inches, almost everywhere else uses metres and centimetres. Our converter shows all units at once so you can read the answer in the format you need without converting back and forth.
Common scenarios: converting a height in feet and inches to centimetres for a medical form, converting a room dimension from feet to metres for a flooring quote, or checking if a package fits a courier's size limit in the other unit system.
Everything runs in your browser with no server calls. No account, no ads on the tool, completely free.
Frequently asked questions
- How do I convert centimeters to inches?
- Divide the centimeter value by 2.54. For example, 30 cm ÷ 2.54 = 11.81 inches. Use the converter above — type in the cm field and the inch result appears instantly.
- How many feet are in a meter?
- One meter equals exactly 3.28084 feet, or about 3 feet 3.37 inches. To convert meters to feet, multiply by 3.28084.
- What is the difference between a mile and a kilometer?
- One mile equals exactly 1.60934 kilometers. Miles are used in the US and UK; kilometers are the standard in most other countries.
- How do I convert millimeters to inches?
- Divide the millimeter value by 25.4. For example, 100 mm ÷ 25.4 = 3.937 inches. Alternatively, multiply by 0.03937.
- What is a nautical mile?
- A nautical mile is exactly 1,852 meters (1.15078 statute miles). It is used in aviation and maritime navigation and is based on one minute of arc of latitude.
- How many yards are in a mile?
- There are exactly 1,760 yards in one mile. A yard is 3 feet or 0.9144 meters, while a mile is 5,280 feet or 1,609.34 meters.