Hectares to Square Kilometers converter

ha to km² — 1 acre = 4,046.86 m²

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Convert Hectares to all units

m² Square Meters—
ft² Square Feet—
yd² Square Yards—
ac Acres—
km² Square Kilometers—
mi² Square Miles—
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Conversion Formula

Hectares to Square Kilometers: 1 acre = 4,046.86 m²

Example: To convert 5 acres to square meters: 5 × 4,046.86 = 20,234.3 m²

Quick Reference: Hectares to Square Kilometers

HectaresSquare Kilometers
1 ha0.01 km²
5 ha0.05 km²
10 ha0.1 km²
25 ha0.25 km²
50 ha0.5 km²
100 ha1 km²
500 ha5 km²
1,000 ha10 km²

Frequently Asked Questions

How do I convert Hectares to Square Kilometers?

Multiply your hectares value by the conversion factor. To convert 5 acres to square meters: 5 × 4,046.86 = 20,234.3 m². You can also use the converter above for instant results.

What is ha in km²?

1 ha equals 0.01 km². This is based on the standard conversion factor: 1 acre = 4,046.86 m².

Is this converter accurate?

Yes. ConvertFast uses precise conversion factors computed client-side in your browser. Results are accurate to 6 significant digits, which covers all practical use cases.