Convert UnitsFast, accurate unit conversions
Area

Square feet to acres Converter

Convert square foot to acre instantly.

Formulaac = ft² × 0.0000229568411387
Sources and methodology1 ft² = 0.0000229568411387 ac — exactly. exactly

Quick conversion table

square footacre
1 ft²0.0000229568411387 ac
10 ft²0.000229568411387 ac
50 ft²0.00114784205693 ac
100 ft²0.00229568411387 ac
500 ft²0.0114784205693 ac
1000 ft²0.0229568411387 ac
5000 ft²0.114784205693 ac
10000 ft²0.229568411387 ac

Unit definitions

square foot (ft²)

square foot is a unit of Area. In this converter it is defined against the category base unit as 1 ft² = 0.09290304 m².

acre (ac)

acre is a unit of Area. In this converter it is defined against the category base unit as 1 ac = 4046.8564224 m².

Example

10 ft² = 0.000229568411387 ac

Sources and methodology

Definitions: BIPM SI Brochure and NIST conversion guidance. Methodology.