Instantly convert any area measurement between sq ft, m², yd², cm², hectares, acres, and more.
An area converter lets you instantly switch from one unit of area to another. Whether you're reading a listing in square feet, measuring a garden in square meters, or comparing farmland in acres and hectares — this tool calculates precisely.
In the United States, residential lots and homes are measured in square feet and acres, while agricultural land is described in acres. Metric units (m², hectares) appear in scientific, USDA, and international reports. Both unit systems are in everyday use, making a reliable converter essential.
All conversions use a two-step method: the input value is first converted to square meters, then from square meters to the target unit.
where f is the number of square meters per unit (conversion factor). Example: 1 acre = 4,046.856 m² and 1 hectare = 10,000 m².
The median U.S. residential lot is approximately 8,000 sq ft. That's 743 m² — a useful conversion when comparing with international real estate listings or metric blueprints.
According to USDA NASS, the average American farm is about 445 acres (180 ha = 1,800,000 m²). USDA crop data reports typically list both acres and hectares side by side.
An NFL football field is exactly 360 × 160 ft = 57,600 sq ft ≈ 5,351 m² — a handy mental benchmark for visualizing unknown areas.
Central Park covers 843 acres ≈ 341 ha ≈ 3,410,000 m². In square miles it's just 1.317 mi², but it remains the classic reference for large urban areas.
Enter the numeric area value into the input field.
Select the current unit from the dropdown menu.
The four primary cards (m², ft², cm², yd²) update instantly.
Expand 'More Units' to see km², ha, acres, square miles, in², and mm².
Change the value or source unit to start a new conversion.
1 acre = 43,560 sq ft = 4,047 m² — the standard U.S. unit for land measurement.
1 square mile = 640 acres = 2.59 km² — used in geographic and Census data.
1 hectare = 10,000 m² ≈ 2.471 acres — the metric standard used in USDA reports.
Area units scale quadratically: 1 ft = 12 in, but 1 ft² = 144 in².
The U.S. survey foot (≈ 0.30480061 m) differs slightly from the international foot, but the difference is negligible for everyday use.
One acre is exactly 43,560 square feet. It's the primary unit for U.S. land transactions and zoning documents.
One square mile contains exactly 640 acres. This relationship is foundational in U.S. public land surveys using the township-and-range system.
Divide square feet by 10.7639. For example, 1,000 sq ft ÷ 10.7639 ≈ 92.9 m². The converter does this automatically.
An acre is 4,046.86 m² and a hectare is 10,000 m², so 1 hectare ≈ 2.471 acres. Hectares are common in international and USDA reporting.
The converter uses ISO 80000-compliant conversion factors with at least 15 significant digits — more than enough for real estate, agriculture, and engineering purposes.
Acres are the standard unit for farmland in the United States. However, the USDA also publishes data in hectares for international comparability, so both units are commonly seen.
This converter is provided for informational purposes only. For legal, survey, or construction purposes, always verify measurements with a licensed professional.