acres (acre)

acres as a conversion hub: 5 direct pairs, all with the exact factor on the page.

Definition1 acre = 4,046.86 m² exactly

CategoryArea Converter

Pairs from here5

Area Converter

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acres converted to every other unit

acre	m²	km²	sq ft	sq yd	ha
1 acre	4,046.86	0.0040468564	43,560	4,840	0.40468564
2 acre	8,093.71	0.0080937128	87,120	9,680	0.80937128
5 acre	20,234.28	0.02023428	217,800	24,200	2.023428
10 acre	40,468.56	0.04046856	435,600	48,400	4.046856
20 acre	80,937.13	0.08093713	871,200	96,800	8.093713
50 acre	202,342.82	0.20234282	2,178,000	242,000	20.234282
100 acre	404,685.64	0.40468564	4,356,000	484,000	40.468564

All conversions starting from acre

acre to m² acre to km² acre to sq ft acre to sq yd acre to ha

Questions

How do I convert from acres?

Pick the target unit from the table on this page, or open the dedicated pair page — each one carries a converter, a table of common values and the exact factor.

Is acre exact or approximate?

The factor shown (1 acre = 4,046.86 m²) is fixed by definition, so conversions are exact rather than measured.

What is acre used for?

acres as used in practical measurements