Area Converter
Metric & Imperial · 10 units
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Area Quick Reference
Key area conversion factors based on international definitions.
| From | To | Multiply by |
|---|---|---|
| 1 acre | square meters | 4,046.86 |
| 1 hectare | acres | 2.47105 |
| 1 sq mile | acres | 640 (exact) |
| 1 sq ft | square meters | 0.092903 |
| 1 sq meter | square feet | 10.7639 |
| 1 hectare | square meters | 10,000 (exact) |
A football pitch is approximately 0.71 hectares (1.76 acres). Central Park in New York covers 341 hectares (843 acres). A standard UK allotment plot is 10 poles = 302 m².
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Conversion Questions
How many square feet are in an acre?+
One acre equals exactly 43,560 square feet = 4,046.86 m² = 0.4047 hectares. The acre was historically defined as the area a team of oxen could plough in one day. One square mile = 640 acres. One football field (including end zones) is about 1.32 acres.
What is a hectare and how does it compare to an acre?+
A hectare is 10,000 square meters (100m × 100m). One hectare = 2.471 acres. The hectare is the standard unit for land area in most countries, used in agriculture, forestry and real estate. An Olympic athletics track encloses about 0.83 hectares.
How many square meters are in a square foot?+
One square foot = 0.092903 square meters. Conversely, 1 m² = 10.7639 ft². This conversion is used frequently in real estate (UK/US vs rest of world). A typical parking space is about 8.5 m² (91.5 ft²). A standard UK house is around 100 m² (1,076 ft²).
How many acres are in a square mile?+
There are exactly 640 acres in one square mile. This is because 1 mile = 1,760 yards, and 1 acre = 4,840 sq yards, so 1 sq mile = 1,760² ÷ 4,840 = 640 acres. In the US, townships are typically 6 miles × 6 miles = 36 square miles = 23,040 acres.
What is the difference between a square kilometer and a hectare?+
1 square kilometer = 100 hectares = 1,000,000 m². A square kilometer is 1 km × 1 km. A hectare is 100m × 100m. Countries measure agricultural land in hectares and national parks / countries in square kilometers. The Netherlands is about 41,543 km² = 4,154,300 hectares.
How do I convert square meters to square yards?+
Multiply square meters by 1.19599 to get square yards. Conversely, 1 sq yd = 0.8361 m². One square yard = 9 square feet = 3 ft × 3 ft. Carpet and fabric are often sold by the square yard in the US and UK. Example: 50 m² = 59.8 sq yd.
How big is an acre in real-world terms?+
One acre (4,047 m²) is roughly: a standard American football field minus the end zones · 16 tennis courts · a square with sides of about 63.6 meters (208.7 feet) · the floor area of about 40 average UK homes. In agriculture, a family farm in developing countries is typically 1–5 acres.
How do I convert cm² to m²?+
Divide by 10,000. Since 1 m = 100 cm, 1 m² = 100 × 100 = 10,000 cm². To convert mm² to m², divide by 1,000,000. These small area units are used in engineering drawings, cross-sectional areas of pipes and wires, and material specifications.
What is a square rod, perch or pole?+
A square rod (also called a perch or pole) = 25.2929 m² = 272.25 ft² = 0.00625 acres. These old imperial units are still occasionally used in UK allotments (a standard allotment = 10 poles = 302 m²) and some real estate deeds. They are not used in modern surveying.
How is area measured for land in different countries?+
Different regions use different land area units: UK/Ireland: acres, hectares · USA: acres, square miles · Continental Europe: hectares · India: bigha (varies by state, ~1,337–3,025 m²), guntha (101.17 m²) · Japan: tsubo (3.306 m²), tan (991.7 m²) · China: mu (666.7 m²). The SI unit (m² and hectare) is universal in science.