Length Converter
Enter one length and instantly convert it to metres, inches, feet, miles, nautical miles, and astronomical units.
Input
All conversions run in your browser. Your input is not uploaded.
Use a comma or period as the decimal separator; do not use thousands separators.
Metric & scientific
- Kilometre (km)
- 0.001
- Metre (m)Input
- 1
- Decimetre (dm)
- 10
- Centimetre (cm)
- 100
- Millimetre (mm)
- 1,000
- Micrometre (µm)
- 1,000,000
- Nanometre (nm)
- 1,000,000,000
- Ångström (Å)
- 10,000,000,000
- Picometre (pm)
- 1e12
Imperial & navigation
- Mile (international) (mi)
- 0.000621371192237
- Yard (international) (yd)
- 1.09361329834
- Foot (international) (ft)
- 3.28083989501
- Inch (in)
- 39.3700787402
- Mil / Thou (mil)
- 39,370.0787402
- Nautical mile (international) (nmi)
- 0.000539956803456
Astronomy
- Astronomical unit (au)
- 6.68458712227e-12
- Light-year (ly)
- 1.05700083402e-16
- Parsec (pc)
- 3.24077928944e-17
How it works
How it works
Step by step
Features
Features
Convert lengths locally
Convert metres, kilometres, miles, inches, feet, yards, and astronomical units directly in the browser without upload or server processing.
All results at a glance
After input, matching target values are shown immediately in multiple units.
Frequently asked questions
Frequently asked questions
Are inputs uploaded?
No. Conversion runs entirely locally in the browser.
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