Free calculators and unit converters for general and everyday use.
Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can convert area values from square feet to acres and acres to square feet.
1 acre = 43560 square feet
1 square foot = 2.3E-5 acres
The symbols used are sq ft for square foot and ac for acre.
Convert 900 square feet to acres
900 sq ft = 900*2.3E-5 ac = 0.0206612 ac