square foot-acre conversion

Conversion number between square foot [sq ft] and acre [ac] is 2.2956841138659 × 10^-5. This means, that square foot is smaller unit than acre.

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Switch to reverse conversion:
from acre to square foot conversion

Enter the number in square foot:

Decimal Fraction Exponential Expression

[sq ft]

eg.: 10.12345 or 1.123e5

Result in acre

precision	[info]
Decimal:	[!]
Exponential:

Calculation process of conversion value

1 square foot = (exactly) `(0.09290304) / (4046.8564224)` = 2.2956841138659 × 10^-5 acre
1 acre = (exactly) `(4046.8564224) / (0.09290304)` = 43560 square foot
? square foot × `(0.09290304 ("m²"/"square foot")) / (4046.8564224 ("m²"/"acre"))` = ? acre

High precision conversion

If conversion between square foot to square-metre and square-metre to acre is exactly definied, high precision conversion from square foot to acre is enabled.

Decimal places: (0-800)

square foot
Result in acre:
?

gads

square foot to acre conversion chart

Start value:	[square foot]
Step size	[square foot]
How many lines?	(max 100)

visual:

square foot	acre
0	0
10	0.00022956841138659
20	0.00045913682277319
30	0.00068870523415978
40	0.00091827364554637
50	0.001147842056933
60	0.0013774104683196
70	0.0016069788797062
80	0.0018365472910927
90	0.0020661157024793
100	0.0022956841138659
110	0.0025252525252525

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Multiple conversion

Enter numbers in square foot and click convert button.
One number per line.

Converted numbers in acre:
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Details about square foot and acre units:

Convert Square foot to other unit:

square foot

Definition of square foot unit: ≡ 1 ft × 1 ft. ≡ 0.3048 × 0.3048 = 9.290304×10⁻² m²

Convert Acre to other unit:

acre

Definition of acre unit: ≡ 1 ch × 10 ch = 4840 sq yd = 1⁄640 sq mi. International and US survey acre ≡ 4840 × 0.9144 × 0.9144 = 4046.8564224 m²

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