The acre is a unit of area equal to 43,560 square feet (4,046.86 m²), historically the area a team of oxen could plow in one day.

What is a Square Foot?

The square foot is an imperial unit of area equal to the area of a square with sides of exactly one foot (0.0929 m²).

Where is Acre used in everyday life?

Real estate listings, farmland area, lot sizes, park acreages, and zoning regulations.

What are common mistakes when converting Acre?

Thinking an acre is a square shape — it can be any shape with the right total area. Also, confusing acre with hectare (1 acre ≈ 0.4 ha).

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"1" Acre

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Acre (ac)

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Square Meter(m²)Copy Answer
Square Kilometer(km²)Copy Answer
Square Hectometer(hm²)Copy Answer
Square Dekameter(dam²)Copy Answer
Square Decimeter(dm²)Copy Answer
Square Centimeter(cm²)Copy Answer
Square Millimeter(mm²)Copy Answer
Square Micrometer(µm²)Copy Answer
Square Nanometer(nm²)Copy Answer
Are(a)Copy Answer
Hectare(ha)Copy Answer
Square Inch(in²)Copy Answer
Square Foot(ft²)Copy Answer
Square Yard(yd²)Copy Answer
Square Mile(mi²)Copy Answer
Acre (US Survey)(ac (US))Copy Answer
Square Foot (US Survey)(ft² (US))Copy Answer
Square Mile (US Survey)(mi² (US))Copy Answer
Barn(b)Copy Answer
Circular Inch(circ in)Copy Answer
Section(section)Copy Answer
Township(township)Copy Answer

22 conversions shown

How to Convert Acre to Square Foot

To convert acres to hectares: multiply by 0.4047. To m²: multiply by 4,046.86. To ft²: multiply by 43,560.

1 acre = 43,560 ft² = 4,840 yd² = 4,046.86 m² ≈ 0.4047 ha. 640 acres = 1 mi².

For example, 1 Acre (ac) = 43560 Square Foot (ft²).

Acre to Square Foot — Common Values

Quick reference conversion table showing common Acre to Square Foot values for area measurement
Acre (ac)	Square Foot (ft²)
0.001	43.56
0.01	435.6
0.1	4356
0.5	21780
1	43560
2	87120
5	217800
10	435600
15	653400
25	1089000
50	2178000
75	3267000
100	4356000
250	10890000
500	21780000
750	32670000
1000	43560000

Other Area Conversions