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Square metres to square kilometres converter

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

Area converter

Instant conversion

Edit either value. Decimals and scientific notation supported.

m²

km²

CONVERSION

1 m² ≈ 0.000001 km²

Precision changes displayed rounding, not calculation accuracy.

FORMULAkm² = m² ÷ 1000000

FORMULA & EXAMPLES

How to convert Square metres to square kilometres

km² = m² ÷ 1000000

Divide the m² reading by 1000000.

Worked examples

1 m² ≈ 0.000001 km²

1 ÷ 1000000 ≈ 0.000001

100 m² ≈ 0.0001 km²

100 ÷ 1000000 ≈ 0.0001

Frequently asked questions

Why is m² to km² 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 metres to square kilometres table

Fixed reference · Square metre to Square kilometre

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

Square metre (m²)Square kilometre (km²)
00
0.11e-7
0.55e-7
10.000001
20.000002
50.000005
100.00001
250.000025
500.00005
1000.0001
10000.001
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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