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Square Kilometers to Square Meters converter

Convert km² to m² instantly. Type any value and get the result in square meters. 1 km² = 1,000,000 m².

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Area›km² → m²
From
To
result below ↓
1 km²=
1,000,000m²
formula1 km² = 1,000,000 m²

Common square kilometers → square meters

=1,000,000 m²
=2,000,000 m²
=5,000,000 m²
=10,000,000 m²
=20,000,000 m²
=50,000,000 m²
=100,000,000 m²
=500,000,000 m²
=1B m²

Need a different value? .

Convert the other way
Square Meters to Square Kilometers

How to convert square kilometers to square meters

To convert square kilometers to square meters, multiply the value by 1,000,000.

Formula
m² = km² × 1,000,000

For example:

  • →5 km² = 5,000,000 m²
  • →100 km² = 100,000,000 m²

Quick reference

  • ▸1 km² = 1,000,000 m²
  • ▸1 m² = 1.0000e-6 km²

When you need to convert km² to m²

  • ·Real estate — comparing property sizes across markets.
  • ·Gardening and landscaping — sizing lawns, garden beds.
  • ·Painting and flooring — calculating material needs.
  • ·Construction — site plans and zoning.
  • ·Agriculture — field and crop area.

Frequently asked

How many square meters are in 1 square kilometer?
One square kilometer equals 1,000,000 square meters.
How do I convert km² to m² in my head?
Multiply the value in square kilometers by 1,000,000 to get square meters.
What is the formula for square kilometers to square meters?
m² = km² × 1,000,000.
What is the reverse — how many square kilometers in 1 square meter?
One square meter equals 1.0000e-6 square kilometers.

Related conversions

Square Meters to Square Kilometers
1 m² = 1.0000e-6 km²
Square Kilometers to Square Centimeters
1 km² = 10B cm²
Square Kilometers to Square Feet
1 km² = 10,763,900 ft²
Square Kilometers to Square Yards
1 km² = 1,195,990 yd²
Square Centimeters to Square Meters
1 cm² = 0.0001 m²
Square Feet to Square Meters
1 ft² = 0.092903 m²
Square Yards to Square Meters
1 yd² = 0.836127 m²
Square Miles to Square Meters
1 mi² = 2,590,000 m²
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