Acres to Square Feet Converter

Welcome to our Acres to Square Feet Converter, a professional land area calculator that converts acres to square feet instantly. Whether you are a real estate professional, farmer, land surveyor, or homeowner, this tool provides accurate conversions with helpful visual comparisons to common land sizes like football fields, tennis courts, and house lots.

Acres to Square Feet Conversion Formula

To convert acres to square feet, simply multiply the number of acres by 43,560:

Square Feet = Acres × 43,560

Why 43,560 Square Feet?

The acre is a historical unit of land measurement that originated in medieval England. It was defined as the amount of land that could be plowed in one day by a yoke of oxen. The standardized acre equals:

• 1 furlong × 1 chain = 660 feet × 66 feet = 43,560 square feet
• A furlong (220 yards) was the distance a team of oxen could plow without resting
• A chain (22 yards) was a common surveying measurement

Quick Reference: Acres to Square Feet

Understanding Acre Measurements

How Big is an Acre?

One acre is easier to visualize when compared to familiar spaces:

• Football Field: An acre is about 75% of an American football field (without end zones)
• Tennis Courts: About 16 tennis courts fit in one acre
• House Lots: Typical suburban lots range from 0.1 to 0.5 acres
• Square Dimensions: A square acre measures approximately 209 × 209 feet

Acre Dimensions (Various Shapes)

An acre can be any shape that totals 43,560 square feet. Common rectangles include:

• 660 ft × 66 ft (traditional furlong × chain)
• 208.71 ft × 208.71 ft (square)
• 330 ft × 132 ft
• 220 ft × 198 ft

Related Unit Conversions

Common Uses for Acres to Square Feet Conversion

Real Estate

Property listings often use acres for larger parcels but square feet for comparisons. Converting helps buyers understand lot sizes and compare properties accurately.

Agriculture

Farmers use acres for large fields but may need square feet for smaller calculations like planting density, fertilizer application, or irrigation planning.

Construction and Development

Building permits and zoning regulations may specify requirements in either acres or square feet. Accurate conversion ensures compliance.

Landscaping

Landscape suppliers often price materials (mulch, sod, seed) by square footage, so converting acreage helps estimate project costs.

Frequently Asked Questions

How many square feet are in an acre?

There are exactly 43,560 square feet in one acre. This is the internationally recognized definition used in the United States, United Kingdom, and other countries using imperial measurements.

How big is 1 acre in real terms?

One acre is about 75% of a football field (without end zones), or roughly 16 tennis courts. Visualized as a square, 1 acre would be approximately 209 feet × 209 feet. It is equivalent to 4,840 square yards or about 4,047 square meters.

Why are there 43,560 square feet in an acre?

The acre originated from medieval England as the amount of land tillable by one man behind one ox in one day. It was standardized as a furlong (660 feet) by a chain (66 feet), which equals 43,560 square feet. This unusual number preserves historical surveying measurements.

How do I convert square feet back to acres?

To convert square feet to acres, divide the square feet by 43,560. For example, 100,000 square feet ÷ 43,560 = approximately 2.296 acres. You can use our Square Feet to Acres Converter for quick calculations.

What is the difference between an acre and a hectare?

An acre equals approximately 0.4047 hectares, while 1 hectare equals about 2.471 acres. Hectares are part of the metric system and are commonly used internationally, while acres are primarily used in the United States, United Kingdom, and other countries using imperial measurements.

Related Area Converters

• Square Feet to Acres Converter
• Acres to Square Meters Converter
• Acres to Hectares Converter
• Square Meters to Acres Converter
• Hectares to Acres Converter