Convert Square kilometers to square meters

1 square kilometer = 1,000,000 square meters · m² = km² × 1,000,000

km²
Square meters
1,000,000m²

1 square kilometer = 1,000,000 square meters

When you need this conversion

This conversion goes from square kilometers, used for cities, parks, and regions, to square meters, the standard area unit for property worldwide. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.

Square kilometers to square meters conversion table

Conversion table from square kilometers to square meters
Square kilometers (km²)Square meters (m²)
1 km²1,000,000 m²
2 km²2,000,000 m²
3 km²3,000,000 m²
5 km²5,000,000 m²
10 km²10,000,000 m²
15 km²15,000,000 m²
20 km²20,000,000 m²
25 km²25,000,000 m²
50 km²50,000,000 m²
75 km²75,000,000 m²
100 km²100,000,000 m²
250 km²250,000,000 m²
500 km²500,000,000 m²
1,000 km²1,000,000,000 m²

The formula

m² = km² × 1,000,000

Because both units measure area, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.

Convert the other way

Square meters to square kilometers →

Related area conversions

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Frequently asked questions

How many square meters are in a square kilometer?
There are 1,000,000 square meters in 1 square kilometer. The formula is m² = km² × 1,000,000.
How do you convert square kilometers to square meters?
Use the formula m² = km² × 1,000,000. For example, 10 square kilometers equals 10,000,000 square meters.
Is the square kilometers to square meters conversion exact?
Yes. Square kilometers and square meters are both units of area, related by an exact defined factor. Displayed results are rounded for readability.
What is km² short for?
km² is the standard symbol for square kilometer. m² is the symbol for square meter.