Acres to Square Feet Conversion Guide

Acres are common for land area in the United States, while square feet are better for smaller lots, construction, and real estate details. Here is how to convert between them.

The Formula

One acre equals exactly 43,560 square feet.

Acres x 43,560 = Square Feet

To convert back:

Square Feet ÷ 43,560 = Acres

Examples

• 1 acre = 43,560 sq ft
• 2 acres = 87,120 sq ft
• 0.5 acres = 21,780 sq ft
• 100,000 sq ft = 2.2957 acres

When to Use

Converting between acres and square feet is useful for surveyors, real estate pros, landscapers, and homeowners planning site improvements.

Try it with our Area Converter.