This length converter handles metric and imperial distances for schoolwork, travel, construction, and science.
Conversion
Length Converter
Convert meters, centimeters, feet, inches and more.
Calculator
About this calculator
Formula notes
Conversions use fixed ratios such as 1 in = 2.54 cm and 1 m = 3.280839895 ft.
Worked examples
- Example: 1.8 m is about 5.906 ft.
- A 5 km road segment equals 5,000 m, approximately 3.107 miles, or about 16,404.2 ft.
How to use it
- Enter the length you know.
- Choose the units to convert from and to.
- Use the result in plans, homework, or measurements.
Frequently asked questions
Can I convert very small or very large units?
Yes, as long as both units are supported by the converter.
Why can converted values have many decimals?
Most unit factors do not produce a terminating decimal. Round the output to the precision justified by your original measurement.
Limits and interpretation
- The converter assumes standard unit definitions and does not account for map projection, slope distance, or measurement uncertainty.
- Do not preserve more decimal places than the source measurement supports merely because the conversion returns them.