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Square kilometres to square metres converter

Convert square kilometres (km²) to square metres (m²).

Area converter

Instant conversion

Edit either value. Decimals and scientific notation supported.

km²

m²

CONVERSION

1 km² ≈ 1000000 m²

Precision changes displayed rounding, not calculation accuracy.

FORMULAm² = km² × 1000000

FORMULA & EXAMPLES

How to convert Square kilometres to square metres

m² = km² × 1000000

Multiply the km² reading by 1000000.

Worked examples

1 km² ≈ 1000000 m²

1 × 1000000 ≈ 1000000

100 km² ≈ 100000000 m²

100 × 1000000 ≈ 100000000

Frequently asked questions

Why is km² to m² different from a length conversion?

Area factors scale with the square of the length factor. For example, 1 ft = 0.3048 m gives 1 ft² = 0.3048² m² = 0.09290304 m².

Square kilometres to square metres table

Fixed reference · Square kilometre to Square metre

Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.

Square kilometre (km²)Square metre (m²)
00
0.1100000
0.5500000
11000000
22000000
55000000
1010000000
2525000000
5050000000
100100000000
10001000000000
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.

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