Acres to Square Feet Converter
Convert acres to square feet instantly with our area converter. Perfect for real estate calculations, land measurement, property planning, agricultural conversions, and construction projects. Get accurate results.
Relationship Between Acres and Square Feet
The conversion between acres and square feet is based on the US survey measurement system where 1 acre equals exactly 43,560 square feet.
1 ac = 43,560 ft²
Therefore,
1 ft² ≈ 0.00002296 ac
To convert acres to square feet, we multiply the value in acres by 43,560.
For example, 1 acre equals 43,560 square feet, 0.5 acres equal 21,780 square feet, and 2 acres equal 87,120 square feet.
Acre (ac)
What is an Acre (ac)?
An acre is a unit of land area used in the imperial and US customary systems. It is primarily used for measuring land parcels, agricultural land, and real estate. One acre is defined as exactly 43,560 square feet, which is roughly the area of a rectangular plot measuring 208.71 feet by 208.71 feet (or approximately 66 feet by 660 feet).
History and Origin of the Acre
The acre has its origins in medieval England and was originally defined as the amount of land that could be plowed by a yoke of oxen in one day. The word 'acre' comes from the Old English 'æcer,' which means 'open field.' Over time, the acre was standardized to its current definition of 43,560 square feet. This measurement was based on the traditional English chain (66 feet) and furlong (660 feet), where 1 acre equals 1 chain by 1 furlong.
Visualizing an Acre
- Football Field: About 75% of an American football field (excluding end zones)
- Tennis Courts: Approximately 16 standard tennis courts
- Basketball Courts: About 9.5 NBA basketball courts
- Square Plot: A square measuring roughly 208.71 feet on each side
- Rectangle: Commonly 66 feet wide by 660 feet long (1 chain by 1 furlong)
- Circle: A circle with a radius of approximately 117.75 feet
Modern Applications of Acres
- Real Estate: Property listings for land, farms, and large residential lots
- Agriculture: Measuring farm size, crop fields, and agricultural land
- Forestry: Woodland and timber land measurements
- Land Development: Planning residential subdivisions and commercial developments
- Parks & Recreation: Sizing public parks, golf courses, and recreational areas
- Environmental Conservation: Measuring protected areas and wildlife habitats
- Zoning: Municipal land use planning and zoning regulations
- Tax Assessment: Property tax calculations based on land area
International Acre
While the acre is primarily used in the United States, United Kingdom, and countries with historical British ties, there are slight variations:
US Survey Acre: 43,560 square feet (most common)
International Acre: 4,046.8564224 square meters
Scottish Acre (Historical): Was approximately 1.27 times larger than the English acre
Most countries that have adopted the metric system measure land in hectares instead of acres, where 1 hectare equals approximately 2.471 acres.
Square Foot (ft²)
What is a Square Foot (ft²)?
A square foot is a unit of area measurement in the imperial and US customary systems. It represents the area of a square with sides that are exactly one foot in length. Square feet are commonly used to measure floor space, property areas, and land parcels, particularly for smaller areas where acres would be too large a unit.
History and Origin of the Square Foot
The square foot is derived from the foot, which has been used as a unit of length for thousands of years. The modern foot is defined as exactly 0.3048 meters. The square foot became a standard unit for measuring area in English-speaking countries and remains widely used today, especially in the United States for real estate and construction purposes.
Visualizing Square Feet
- Standard Tile: A 12-inch × 12-inch floor tile is exactly 1 square foot
- Small Bathroom: Typically 35-40 square feet
- Standard Bedroom: Usually 120-150 square feet
- One-Car Garage: Approximately 200-250 square feet
- Two-Car Garage: About 400-500 square feet
- Small Apartment: Around 500-700 square feet
- Average House: 1,500-2,500 square feet
Modern Applications of Square Feet
- Real Estate: Measuring house size, apartment size, and building floor area
- Construction: Calculating material requirements for flooring, roofing, and painting
- Interior Design: Space planning and furniture layout
- Retail: Store size and rental space measurements
- HVAC: Determining heating and cooling requirements
- Landscaping: Measuring lawn area, patio size, and garden beds
- Commercial Real Estate: Office space leasing and pricing
- Home Improvement: Calculating carpet, tile, and flooring needs
Square Feet vs Square Meters
In countries using the metric system, area is typically measured in square meters rather than square feet:
1 ft² = 0.09290304 m²
1 m² ≈ 10.764 ft²
When comparing international real estate or working on projects involving both measurement systems, understanding this conversion is essential. For example, a 100 square meter apartment is approximately 1,076 square feet.
Acre to Square Foot Conversion Table
The conversion of acres to square feet for certain values are provided below:
- Acres [ac]
- Square Feet [ft²]
- 0.1 ac
- 4356 ft²
- 0.25 ac
- 10890 ft²
- 0.5 ac
- 21780 ft²
- 0.75 ac
- 32670 ft²
- 1 ac
- 43560 ft²
- 1.5 ac
- 65340 ft²
- 2 ac
- 87120 ft²
- 2.5 ac
- 108900 ft²
- 5 ac
- 217800 ft²
- 10 ac
- 435600 ft²
- 20 ac
- 871200 ft²
- 25 ac
- 1089000 ft²
- 50 ac
- 2178000 ft²
- 100 ac
- 4356000 ft²
- 200 ac
- 8712000 ft²
- 500 ac
- 21780000 ft²
- 1000 ac
- 43560000 ft²
