Kilometers (km) - Length / Distance Conversions
A kilometer is a unit of Length or Distance in the Metric System. The symbol for kilometer is km and the International spelling for this unit is kilometre.
The base unit for a kilometer is meter and the prefix is kilo. The prefix kilo is derived from the Greek chilioi meaning thousand and is symbolized as k in the Metric System. Kilo denotes a factor of 1,000 which means that there are 1,000 meters in a kilometer.
Select a Conversion
Select one of the kilometer conversions below:
- Kilometer to Angstrom (km to Å)
- Kilometer to Centimeter (km to cm)
- Kilometer to Decameter (km to dam)
- Kilometer to Decimeter (km to dm)
- Kilometer to Feet (km to ft)
- Kilometer to Gigameter (km to Gm)
- Kilometer to Hectometer (km to hm)
- Kilometer to Inch (km to in)
- Kilometer to Megameter (km to Mm)
- Kilometer to Meter (km to m)
- Kilometer to Micrometer (km to μm)
- Kilometer to Mile (km to mi)
- Kilometer to Millimeter (km to mm)
- Kilometer to Nanometer (km to nm)
- Kilometer to Nautical Mile (km to nmi)
- Kilometer to Picometer (km to pm)
- Kilometer to Yard (km to yd)
Unit Summary
This table provides a summary of the Length or Distance units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| inches | in or " | US Customary Units/Imperial System |
| feet | ft or ' | US Customary Units/Imperial System |
| yards | yd | US Customary Units/Imperial System |
| miles | mi | US Customary Units/Imperial System |
| picometers | pm | Metric System |
| nanometers | nm | Metric System |
| micrometers | μm | Metric System |
| millimeters | mm | Metric System |
| centimeters | cm | Metric System |
| decimeters | dm | Metric System |
| meters | m | Metric System |
| decameters | dam or dkm | Metric System |
| hectometers | hm | Metric System |
| kilometers | km | Metric System |
| megameters | Mm | Metric System |
| gigameters | Gm | Metric System |
| nautical miles | M or NM or nmi | Non-SI (International) |
| angstroms | Å | Non-SI (International) |
| rods | rod | Non-SI (International) |
Note: For Length and Distance conversions, US Customary Units and the Imperial System are equivalent.
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