Square foot to Acre
square foot to acre Conversion Table
| square foot (ft²) | acre (ac) | |
|---|---|---|
| 0.01 ft² | → | 0.0000002296 ac |
| 0.1 ft² | → | 0.0000022957 ac |
| 1.0 ft² | → | 0.000022957 ac |
| 2.0 ft² | → | 0.000045914 ac |
| 3.0 ft² | → | 0.000068871 ac |
| 5.0 ft² | → | 0.000114785 ac |
| 10.0 ft² | → | 0.00022957 ac |
| 20.0 ft² | → | 0.00045914 ac |
| 30.0 ft² | → | 0.00068871 ac |
| 50.0 ft² | → | 0.00114785 ac |
| 100.0 ft² | → | 0.0022957 ac |
| 1000.0 ft² | → | 0.022957 ac |
Example Conversion
To convert from square foot to acre, multiply by 0.000022957.
For example: 22 square foot = 22 × 0.000022957 = 0.000505054 acre
Unit History
About square foot
The square foot is widely recognized in many real estate and architectural contexts, particularly in the United States. It is defined as the area of a square with sides of one foot. Square feet are often used to calculate floor space in homes, offices, and other indoor environments.
About acre
The acre is a traditional unit of area in the imperial system, still widely used in the United States and the United Kingdom for land transactions. Historically, an acre was roughly the amount of land one person could plow in a single day with a team of oxen. Today, one acre equals about 4,047 square meters.