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Square Kilometers to Square Meters (km² to m²) Converter

1 square kilometer (km²) = 1,000,000 square meters (m²). To convert square kilometers to square meters, multiply by 1,000,000: 25 km² × 1,000,000 = 25,000,000 m². Also searched as square kilometres to square metres.

1 km² = 1000000 m²
Convert the other way: Square Meters to Square Kilometers

Quick facts

How to convert square kilometers to square meters

  1. Take the value in square kilometers.
  2. Multiply it by 1,000,000 (the number of square meters in one square kilometer).
  3. Round the result to the precision you need.
m² = km² × 1,000,000

Worked example: 25 km² × 1,000,000 = 25000000 m².

To convert square meters back to square kilometers, multiply by 0.000001, or divide by 1,000,000.

Source: NIST SP 811 (2008). Marla and kanal use the Punjab standard stated in their definitions; local sizes can differ.

Square Kilometers to Square Meters conversion table

Square Kilometers to Square Meters conversion table
Square Kilometers [km²]Square Meters [m²]
0.001 km²1000 m²
0.01 km²10000 m²
0.1 km²100000 m²
0.5 km²500000 m²
1 km²1000000 m²
2 km²2000000 m²
5 km²5000000 m²
10 km²10000000 m²

km² to m² chart from 1 to 100

Square Meters to Square Kilometers conversion table

Square Meters to Square Kilometers conversion table
Square Meters [m²]Square Kilometers [km²]
1 m²0.000001 km²
10 m²0.00001 km²
100 m²0.0001 km²
1000 m²0.001 km²
10000 m²0.01 km²
100000 m²0.1 km²
1000000 m²1 km²

Square Kilometers vs Square Meters

Square KilometerSquare Meter
Symbolkm²m²
Equals1 km² = 1,000,000 m²1 m² = 0.000001 km²

What is a square kilometer?

The area of a square with 1-kilometer sides. Used for city, country, and large geographic areas.

What is a square meter?

The SI derived unit of area, equal to the area of a 1-meter square. The standard unit for floor space and land worldwide outside the US.

Frequently asked questions

How many square meters are in a square kilometer?

There are 1,000,000 square meters in 1 square kilometer (1 km² = 1000000 m²).

How many square kilometers are in a square meter?

There are 0.000001 square kilometers in 1 square meter (1 m² = 0.000001 km²).

How do I convert square kilometers to square meters?

Multiply the number of square kilometers by 1,000,000. For example, 10 km² × 1,000,000 = 10,000,000 m². To convert back, multiply by 0.000001.

What is 10 km² in square meters?

10 km² = 10,000,000 m².

What is 100 km² in square meters?

100 km² = 100,000,000 m².

Is the conversion exact?

Yes. The factor comes from the official definitions of both units (NIST SP 811 (2008). Marla and kanal use the Punjab standard stated in their definitions; local sizes can differ). Results are shown to up to 10 decimal places; round them to suit your purpose.

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Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

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First published 28 October 2026 · Last reviewed 5 November 2026