Popular Area Conversions
The converter above handles any pair of area units. These are the conversions people look up most, with the formula behind each.
Square Feet to Square Meters
Multiply square feet by 0.09290304 to get square meters. A 1,000 sq ft apartment is 92.9 m². Because area is length squared, the factor is 0.3048 squared, not 0.3048.
m² = ft² × 0.09290304Square Meters to Square Feet
Divide square meters by 0.09290304, or multiply by 10.7639. A 50 m² flat is 538 sq ft. Real estate listings often show both, so this is the conversion most buyers need.
ft² = m² ÷ 0.09290304Acres to Hectares
Multiply acres by 0.404686 to get hectares. A 10-acre plot is 4.05 ha. One hectare is 10,000 m².
hectares = acres × 0.404686Acres to Square Feet
One acre is exactly 43,560 square feet. Multiply acres by 43,560 to get square feet. Half an acre is 21,780 sq ft, a common residential lot size in the US.
ft² = acres × 43,560Square Kilometers to Square Miles
Divide square kilometers by 2.589988 to get square miles. A 100 km² city covers 38.6 sq mi. Land areas of countries and cities are normally compared with this conversion.
mi² = km² ÷ 2.589988Quick Conversion Table
Common values for square feet in square meters, and acres in hectares and square feet.
| Square feet (ft²) | Square meters (m²) | Square yards (yd²) |
|---|---|---|
| 1 ft² | 0.0929 m² | 0.1111 yd² |
| 10 ft² | 0.929 m² | 1.1111 yd² |
| 50 ft² | 4.6452 m² | 5.5556 yd² |
| 100 ft² | 9.2903 m² | 11.1111 yd² |
| 250 ft² | 23.2258 m² | 27.7778 yd² |
| 500 ft² | 46.4515 m² | 55.5556 yd² |
| 750 ft² | 69.6773 m² | 83.3333 yd² |
| 1,000 ft² | 92.903 m² | 111.1111 yd² |
| 1,500 ft² | 139.3546 m² | 166.6667 yd² |
| 2,000 ft² | 185.8061 m² | 222.2222 yd² |
| Acres (ac) | Hectares (ha) | Square feet (ft²) |
|---|---|---|
| 0.25 ac | 0.1012 ha | 10,890 ft² |
| 0.5 ac | 0.2023 ha | 21,780 ft² |
| 1 ac | 0.4047 ha | 43,560 ft² |
| 2 ac | 0.8094 ha | 87,120 ft² |
| 5 ac | 2.0234 ha | 217,800 ft² |
| 10 ac | 4.0469 ha | 435,600 ft² |
| 20 ac | 8.0937 ha | 871,200 ft² |
| 50 ac | 20.2343 ha | 2,178,000 ft² |
| 100 ac | 40.4686 ha | 4,356,000 ft² |
Area Units Compared
Exact definitions behind every area conversion on this page.
| Unit | Equals |
|---|---|
| 1 square foot | 144 sq in = 0.09290304 m² |
| 1 square yard | 9 sq ft = 0.83612736 m² |
| 1 acre | 43,560 sq ft = 4,046.8564 m² |
| 1 hectare | 10,000 m² = 2.47105 acres |
| 1 square mile | 640 acres = 2.589988 km² |
Frequently Asked Questions
How do I convert square feet to square meters?
Multiply square feet by 0.09290304. For example, 1,200 sq ft × 0.09290304 = 111.5 m².
How many square feet are in an acre?
One acre is exactly 43,560 square feet.
How many acres are in a hectare?
One hectare equals 2.4711 acres.
Why isn't the square meter factor the same as the length factor?
Area is length multiplied by length, so the factor is squared. One foot is 0.3048 m, so one square foot is 0.3048 × 0.3048 = 0.09290304 m².
How many square meters are in a square kilometer?
One square kilometer is 1,000,000 square meters.