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Convert Square Kilometers to Square Meters

One square kilometer equals 1,000,000 square meters. Type any value to convert square kilometers to square meters instantly — with a full reference table below.

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Convert Square Kilometers to Square Meters

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Formula

How to convert Square Kilometers to Square Meters

To convert square kilometers to square meters, multiply by 1,000,000. One square kilometer equals 1,000,000 m², and one square meter equals 0.000001 km².

  1. Take the value in square kilometers — for example 7.5 km².
  2. Multiply by 1,000,000 (the number of square meters in one square kilometer).
  3. 7.5 × 1,000,000 = 7,500,000 m².

Shortcut: the factor is a power of ten, so just move the decimal point 6 places to the right.

Square Kilometers to Square Meters conversion table

Square KilometersSquare Meters
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
20 km²20,000,000 m²
50 km²50,000,000 m²
100 km²100,000,000 m²
200 km²200,000,000 m²
500 km²500,000,000 m²
1,000 km²1,000,000,000 m²
5,000 km²5,000,000,000 m²
Square MetersSquare Kilometers
1 m²0.000001 km²
2 m²0.000002 km²
3 m²0.000003 km²
5 m²0.000005 km²
10 m²0.00001 km²
20 m²0.00002 km²
50 m²0.00005 km²
100 m²0.0001 km²
200 m²0.0002 km²
500 m²0.0005 km²
1,000 m²0.001 km²
5,000 m²0.005 km²

About converting Square Kilometers to Square Meters

Square Kilometers (km²) and Square Meters (m²) are both units of area. The exact factor is 1 km² = 1,000,000 m², so multiply by 1,000,000 to go from square kilometers to square meters (or divide to go back).

The conversion runs entirely in your browser. Need the reverse? Use the Square Meters to Square Kilometers converter, or the full unit converter for every unit at once.

Real-world area in square kilometers and square meters

ExampleSquare KilometersSquare Meters
A doubles tennis court (23.77 × 10.97 m)0.000260757 km²260.7569 m²
An NBA basketball court (94 × 50 ft)0.000436644 km²436.6443 m²
An American football field (incl. end zones)0.00535122 km²5,351.215 m²
A football pitch (105 × 68 m)0.00714 km²7,140 m²
One acre0.00404686 km²4,046.856 m²

“≈” marks typical values; the rest are defined or measured figures.

The units

Square Kilometers (km²)

A square 1 km on each side — 1,000,000 m² or 100 hectares.

Used for: City, country and land areas.

Square Meters (m²)

The SI unit of area: a square 1 m on each side.

Used for: Floor area and property listings in most countries.

Area factors are the squares of exact length factors, so they are exact too (an international acre is exactly 4,046.8564224 m²).

Frequently asked questions

5 answers
How many square meters are in one square kilometer?
One square kilometer equals 1,000,000 square meters.
How do I convert square kilometers to square meters?
Multiply the number of square kilometers by 1,000,000. For example, 10 square kilometers = 10,000,000 square meters.
What is 5 square kilometers in square meters?
5 square kilometers is 5,000,000 square meters.
Is a square kilometer bigger than a square meter?
Yes. One square kilometer equals 1,000,000 square meters, so it is 1,000,000 times larger.
How many square meters is an American football field?
An American football field is 5,351.215 square meters (0.00535122 square kilometers).