Convert square meter to square kilometer

Here you can quickly calculate how many square kilometer fit in one square meter.

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Conversion from square meter to square kilometer example

Starting value Increment Accuracy

To convert square meter to square kilometer, divide by 1000000.

1 m² = 0.000001 km²

Example: 1 square meter = 0.000001 square kilometer

A hectare is 10,000 m², a 100 × 100 m square, and one square kilometer holds 100 hectares. News stories about wildfires and land plots often mix the two up. Rule of thumb: a football pitch is roughly 0.7 hectares.
Converting square meters to square feet needs the squared factor: 1 m is 3.281 ft, so 1 m² is 3.281² ≈ 10.76 sq ft. Using 3.28 directly turns a 100 m² apartment into '328 sq ft' instead of the correct ~1,076 sq ft.
For areas the length factor must be squared, using it directly is the classic trap. 1 km is 1,000 m, but 1 km² is 1,000,000 m², and 1 m² is 10,000 cm². The rule: convert the length unit, then square the factor.

Score: 0

1 square kilometer equals 2.0e+5 square meter.

Correct answer: 1 square kilometer = 1.0e+6 square meter.

20 square kilometer equals 2.0e+8 square meter.

Correct answer: 20 square kilometer = 2.0e+7 square meter.

100 square kilometer equals 1.0e+8 square meter.

Correct answer: 100 square kilometer = 1.0e+8 square meter.

5 square kilometer equals 5.0e+7 square meter.

Correct answer: 5 square kilometer = 5.0e+6 square meter.