Square Feet to Acres Converter

Convert between square feet, acres, hectares, and other land area units with visual comparisons.

By Konstantin Iakovlev · Updated April 2026 · Source: BLS

Square Feet

43,560

Acres

1.0000

Hectares

0.4047

All Conversions

Square Feet43,560
Square Yards4,840
Acres1.0000
Square Meters4,047
Hectares0.4047

Visual Comparison

Football Fields75.6% of one
Basketball Courts9.3x
Tennis Courts (doubles)6.1x
Parking Spaces242.0x
Average US Homes (2,500 sqft)17.4x

Use the Square Feet to Acres Converter above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.

How It Works

Land area rarely stays in a single unit. A deed might list square feet, a farm sale talks in acres, and an international listing reports hectares. Moving cleanly between them matters whether you're valuing a parcel, planning a planting, or buying materials for a landscaping job in 2026, where a misplaced unit can quietly inflate a quote or shrink a lot on paper.

Every conversion here rests on fixed, published equivalencies rather than estimates. One acre equals exactly 43,560 square feet, and one hectare equals 10,000 square meters, or roughly 2.471 acres. The math is just multiplication or division against those constants, so the same input always returns the same figure no matter which direction you convert.

The most frequent source of error isn't the arithmetic but the unit label itself. Square meters and square feet look interchangeable at a glance yet differ by a factor of more than ten, so confirm both the unit you enter and the one you want before trusting a result. A handful of historical land measures carried regional quirks, but modern transactions stick to standardized international units almost without exception.

Example: Valuing a 2026 Residential Plot

  1. 1 A developer is considering purchasing a residential plot advertised as 120,000 square feet. They need to know its size in acres to accurately compare it with other properties in the area, which are typically listed in acres. The average price per acre in this desirable 2026 market is $150,000.
  2. 2 Using the conversion factor of 1 acre = 43,560 square feet, the calculation is 120,000 square feet ÷ 43,560 square feet/acre.
  3. 3 The plot is approximately 2.755 acres.
  4. 4 Based on the average market price, the estimated value of this plot would be 2.755 acres * $150,000/acre = $413,250. This conversion helps the developer quickly assess the property's value and negotiate effectively.

Source: BLS · Last updated: April 2026

Frequently Asked Questions

How many square feet are in one acre?
One acre equals exactly 43,560 square feet. A standard American football field (including end zones) is about 1.32 acres.
How big is a quarter acre lot?
A quarter acre is 10,890 square feet. This is a common residential lot size in suburban areas, roughly equivalent to a 104 x 104 foot square.
How do you convert square feet to acres? (detailed)
Divide the square footage by 43,560. For example, a 20,000 sq ft lot is about 0.459 acres (20,000 / 43,560).