Here you can convert the Area unit Square Foot into the unit Acre and vice versa you can convert Acre into Square Foot. By clicking the "Swap units" icon, you will always obtain the desired conversion in the calculation result, i.e., ft² to ac or ac to ft². With the following calculator you can also calculate any other Area unit.
Info about "Square Foot"
A square foot (ft²; plural square feet) is equal to the area of a square with a side length of one foot (30.48 cm).
1 ft² = 1 ft × 1 ft
1 ft² = 30,48 cm × 30,48 cm
A foot is 12 inches long in the Anglo-American system and thus a square foot has 144 square inches. In the Anglo-American world, the size of land is indicated in land and property surveys using only the two area units, acre and square foot.
Info about "Acre"
An acre (ac) is equal to one 160th part of a quarter section or one 640th part of a square mile. Thus, the acre has the area of a square with a side length of about 63.62 meters.
1 ac ≈ 63,62 m × 63,62 m
The unit acre (Old English æcer acre, field) originally referred to a strip of land that could be plowed in one day with a team of oxen.
The unit of area known as the acre is now a common unit for subdividing land areas, especially in America. These are initially divided into square miles (sections) and into quarters of these sections, namely quarters. A quarter section, in turn, consists of 160 acres. In the Anglo-American world, the size of properties in land and property surveys is indicated solely by the two area units acre and square foot.
1/640 square mile = 1/160 quarter = 1 acre = 4.840 square yards = 43.560 square feet = 6.272.640 square inches = 4.046,85642 m²
Basis for conversion Square Foot (ft²) to Acre (ac) and vice versa
The abbreviation for the "Area unit Square Foot" is ft². The abbreviation for the "Area unit Acre" is ac.
Formula for the conversion of Square Foot (ft²) to Acre (ac) and vice versa
The calculation from Square Foot to Acre shall be made using the following conversion formula:
| Conversion formula Square Foot to Acre |
|---|
|
Determine the number of Acre from Square Foot Square Foot × 2.2956841138659E-5 |
Formula for the conversion of Acre (ac) to Square Foot (ft²)
The calculation from Acre to Square Foot shall be made using the following conversion formula:
| Conversion formula Acre to Square Foot |
|---|
|
Determine the number of Square Foot from Acre Acre × 43560 |
Overview table : How many Square Foot are in a Acre ?
| Square Foot ft² ⇒ Acre ac |
|---|
| 0.50 Square Foot are 0.00001 Acre |
| 0.60 Square Foot are 0.00001 Acre |
| 0.70 Square Foot are 0.00001 Acre |
| 0.80 Square Foot are 0.00001 Acre |
| 0.90 Square Foot are 0.00002 Acre |
| 1 Square Foot corresponds to 0.00002 Acre |
| 2 Square Foot are 0.00004 Acre |
| 3 Square Foot are 0.00006 Acre |
| 4 Square Foot are 0.00009 Acre |
| 5 Square Foot are 0.00011 Acre |
| 6 Square Foot are 0.00013 Acre |
| 7 Square Foot are 0.00016 Acre |
| 8 Square Foot are 0.00018 Acre |
| 9 Square Foot are 0.00020 Acre |
| 10 Square Foot are 0.00023 Acre |
| 20 Square Foot are 0.00045 Acre |
| 30 Square Foot are 0.00068 Acre |
| 40 Square Foot are 0.00091 Acre |
| 50 Square Foot are 0.00114 Acre |
| 60 Square Foot are 0.00137 Acre |
| 70 Square Foot are 0.00160 Acre |
| 80 Square Foot are 0.00183 Acre |
| 90 Square Foot are 0.00206 Acre |
| 100 Square Foot are 0.00229 Acre |
| 200 Square Foot are 0.00459 Acre |
| 300 Square Foot are 0.00688 Acre |
| 400 Square Foot are 0.00918 Acre |
| 500 Square Foot are 0.01147 Acre |
| 600 Square Foot are 0.01377 Acre |
| 700 Square Foot are 0.01607 Acre |
| 800 Square Foot are 0.01836 Acre |
| 900 Square Foot are 0.02066 Acre |
| 1 000 Square Foot are 0.02295 Acre |
Overview table : How many Acre are in a Square Foot ?
| Acre ac ⇒ Square Foot ft² |
|---|
| 0.01 Acre are 435.60000 Square Foot |
| 0.02 Acre are 871.20000 Square Foot |
| 0.03 Acre are 1 306.80000 Square Foot |
| 0.04 Acre are 1 742.40000 Square Foot |
| 0.05 Acre are 2 178 Square Foot |
| 0.06 Acre are 2 613.60000 Square Foot |
| 0.07 Acre are 3 049.20000 Square Foot |
| 0.08 Acre are 3 484.80000 Square Foot |
| 0.09 Acre are 3 920.40000 Square Foot |
| 0.10 Acre are 4 356 Square Foot |
| 0.20 Acre are 8 712 Square Foot |
| 0.30 Acre are 13 068 Square Foot |
| 0.40 Acre are 17 424 Square Foot |
| 0.50 Acre are 21 780 Square Foot |
| 0.60 Acre are 26 136 Square Foot |
| 0.70 Acre are 30 492 Square Foot |
| 0.80 Acre are 34 848 Square Foot |
| 0.90 Acre are 39 204 Square Foot |
| 1 Acre corresponds to 43 560 Square Foot |
| 2 Acre are 87 120 Square Foot |
| 3 Acre are 130 680 Square Foot |
| 4 Acre are 174 240 Square Foot |
| 5 Acre are 217 800 Square Foot |
| 6 Acre are 261 360 Square Foot |
| 7 Acre are 304 920 Square Foot |
| 8 Acre are 348 480 Square Foot |
| 9 Acre are 392 040 Square Foot |
| 10 Acre are 435 600 Square Foot |
| 20 Acre are 871 200 Square Foot |
| 30 Acre are 1 306 800 Square Foot |
| 40 Acre are 1 742 400 Square Foot |
| 50 Acre are 2 178 000 Square Foot |
| 60 Acre are 2 613 600 Square Foot |
| 70 Acre are 3 049 200 Square Foot |
| 80 Acre are 3 484 800 Square Foot |
| 90 Acre are 3 920 400 Square Foot |
| 100 Acre are 4 356 000 Square Foot |
| 200 Acre are 8 712 000 Square Foot |
| 300 Acre are 13 068 000 Square Foot |
| 400 Acre are 17 424 000 Square Foot |
| 500 Acre are 21 780 000 Square Foot |
| 600 Acre are 26 136 000 Square Foot |
| 700 Acre are 30 492 000 Square Foot |
| 800 Acre are 34 848 000 Square Foot |
| 900 Acre are 39 204 000 Square Foot |
| 1 000 Acre are 43 560 000 Square Foot |
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Source information
As source for the information in the 'Area Units' category, we have used in particular:
Last update
This page of the 'Area Units' category was last edited or reviewed by Michael Mühl on November 28, 2024. It corresponds to the current status.
Changes in this category "Area Units"
- Publication of Area Converter together with associated texts.
- Editorial revision of this page