M to km
One m equals 0.001 km. Type any number and the answer appears as you type — the maths happens in your browser.
Result
The same value in every unit
| Unit | Value |
|---|
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Common values
| m | km |
|---|---|
| 1 m | 0.001 km |
| 2 m | 0.002 km |
| 3 m | 0.003 km |
| 5 m | 0.005 km |
| 10 m | 0.01 km |
| 15 m | 0.015 km |
| 20 m | 0.02 km |
| 25 m | 0.025 km |
| 50 m | 0.05 km |
| 100 m | 0.1 km |
| 500 m | 0.5 km |
| 1000 m | 1 km |
How to use
- Enter the number of m in the field.
- The result in km updates on every keystroke.
- Use the table below for the values people look up most often.
Formula and reverse conversion
The formula
To convert by hand: km = m ÷ 1000. Going back the other way, one km is 1000 m.
Metric units differ by powers of ten
Both units belong to the metric system, so the conversion is a shift of the decimal point: the factor is a power of ten and nothing is lost to rounding.
km = m ÷ 1000
Frequently asked questions
How many km are in one m?
One m is 0.001 km.
How do I convert m to km?
Multiply by the factor: km = m ÷ 1000.
Is the result exact?
The factors are the exact legal definitions, and up to ten significant digits are kept in the answer. Rounding happens only in the display.
How do I convert km back to m?
One km is 1000 m — or open the reverse page linked below.