Square Meters to Square Kilometers converter (m² to km²)
Convert Square Meters (m²) to Square Kilometers (km²) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
Square Kilometers to Square Meters (km² to m²) ►
How to convert Square Meters to Square Kilometers
1 square kilometer (km²) is equal to 1,000,000 square meters (m²).
km² = m² ÷ 1,000,000
Multiply the square meters by 0.000001:
Example: Convert 5,000,000 m² to km²:
km² = 5,000,000 ÷ 1,000,000 = 5 km²
What is a Square Meters?
The Square Meters (m²) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
What is a Square Kilometers?
The Square Kilometers (km²) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
This page converts area from Square Meters into Square Kilometers. One m² equals 1.000000e-6 km².
Square Meters to Square Kilometers conversion table
Common m² values and the matching km² result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Square Meters (m²) | Square Kilometers (km²) |
|---|---|
| 100000 m² | 0.1 km² |
| 500000 m² | 0.5 km² |
| 1000000 m² | 1 km² |
| 5000000 m² | 5 km² |
| 10000000 m² | 10 km² |
How this calculator works
The form on this page is a Square Meters-to-Square Kilometers converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the km² result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many km² are in 1 m²?
1 m² = 1.000000e-6 km².
How do I convert Square Meters to Square Kilometers?
Multiply the square meters by 0.000001:
Is this m² to km² converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.