Acres to Square Kilometers
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acre
sqkm
Quick reference
| Acres (acre) | Square Kilometers (sqkm) |
|---|
Formula
Square Kilometers = acres × 0.00404686
Multiply the acres value by 0.00404686 to get square kilometers. To reverse — divide square kilometers by 0.00404686 to get acres.
About this conversion
The acre is an imperial unit of land area equal to 4,047 square meters or 43,560 square feet. Learn more →
The square kilometer (km²) is a metric unit of area equal to one million square meters. Learn more →
Source: NIST International Reference