M² to km²
One m² equals 0.000001 km². 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
| m² | km² |
|---|---|
| 1 m² | 0.000001 km² |
| 2 m² | 0.000002 km² |
| 3 m² | 0.000003 km² |
| 5 m² | 0.000005 km² |
| 10 m² | 0.00001 km² |
| 15 m² | 0.000015 km² |
| 20 m² | 0.00002 km² |
| 25 m² | 0.000025 km² |
| 50 m² | 0.00005 km² |
| 100 m² | 0.0001 km² |
| 500 m² | 0.0005 km² |
| 1000 m² | 0.001 km² |
How to use
- Enter the number of m² in the field.
- The result in km² 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: km² = m² ÷ 1000000. Going back the other way, one km² is 1000000 m².
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.
km² = m² ÷ 1000000
Frequently asked questions
How many km² are in one m²?
One m² is 0.000001 km².
How do I convert m² to km²?
Multiply by the factor: km² = m² ÷ 1000000.
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 km² back to m²?
One km² is 1000000 m² — or open the reverse page linked below.