How big is An Acre?

An acre is 43,560 square feet, or about 4,047 square metres. Laid out as a square it measures about 208.7 feet (63.6 m) on each side. That is roughly 91% of an American football field measured between the goal lines.

square feet: 43,560
square metres: 4,047
acres: 1
hectares: 0.4
football fields: 0.76

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CreditMap: how-big-is.com. Outline: Exact official dimensions.

Where the acre comes from

The acre is an old English unit. It was defined as one chain by one furlong (66 by 660 feet), a long thin strip that suited ploughing with oxen. Today it is fixed at exactly 43,560 square feet, and it is still the everyday unit for land in the US.

Picturing an acre at home

Most suburban house lots are a fraction of an acre, so a single acre usually covers several houses and their yards. Drop it on your own street with the map above to see exactly what it would cover.

How it compares

0.76American football fields
0.57soccer pitches
0.12%of the area of Central Park
0.82%of the area of Vatican City

Questions people ask

Is a football field an acre?

Not quite. An American football field is 1.32 acres including the end zones, or 1.10 acres between the goal lines. An acre is about 91% of the playing field.

How many square feet is an acre?

Exactly 43,560 square feet.

How big is an acre in metres?

About 4,047 square metres, or 0.405 hectares. One hectare is about 2.47 acres.

Where the numbers come from

Official figure: exactly 43,560 square feet. Outline measured at 1 acres (0.004 km²) on the WGS84 ellipsoid. Outline: Exact official dimensions, licence: No restrictions.