How much is 40 acres?

Convert 40 acres. How big is 40 acres? What is 40 acres in other units? Convert acres, hectares, square cm, ft, in, km, meters, mi, and yards. To calculate, enter your desired inputs, then click calculate. Some units are rounded since conversions between metric and imperial can be messy.
Convert 40 acres to other units, like acres, hectares, cm2, ft2, in2, km2, meters2, mi2, and square yards.