Acres to Square Feet

Acres to square feet converter. 1 acre = 43,560 sq ft — the area of a standard American football field without end zones

The calculator uses the standard published formula for acres to square feet. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with square metres, square feet, acres. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: sq ft = acres × 43,560. Each step in the calculation is shown so you can verify the result manually.