Free online length converter. Convert between meters, centimeters, kilometers, inches, feet, yards, miles, and Chinese units.
All calculations run locally. No data uploaded.
| Unit | Symbol | 1 base = |
|---|---|---|
| Meter | m | 1 m = 1 base |
| Kilometer | km | 1 km = 1000 base |
| Decimeter | dm | 1 dm = 0.1 base |
| Centimeter | cm | 1 cm = 0.01 base |
| Millimeter | mm | 1 mm = 0.001 base |
| Micrometer | µm | 1 µm = 0.000001 base |
| Nanometer | nm | 1 nm = 1e-9 base |
| Picometer | pm | 1 pm = 1e-12 base |
| Inch | in | 1 in = 0.0254 base |
| Foot | ft | 1 ft = 0.3048 base |
| Yard | yd | 1 yd = 0.9144 base |
| Mile | mi | 1 mi = 1609.344 base |
| Li | 里 | 1 里 = 500 base |
| Zhang | 丈 | 1 丈 = 3.3333333333333335 base |
| Chi | 尺 | 1 尺 = 0.3333333333333333 base |
| Cun | 寸 | 1 寸 = 0.03333333333333333 base |
| Fen | 分 | 1 分 = 0.0033333333333333335 base |
| Astronomical unit | AU | 1 AU = 149597870700 base |
| Light year | ly | 1 ly = 9460730472580800 base |
| Parsec | pc | 1 pc = 30856775810000000 base |
| Nautical mile | nmi | 1 nmi = 1852 base |
| Fathom | ftm | 1 ftm = 1.8288 base |
Length is the basic physical quantity for distance, used everywhere from shopping to construction.
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