Free online area converter
Area uses squared length units — square feet and acres in the US, square meters and hectares internationally. This converter handles both and shows every equivalent at once.
Saved to favorites
Your favorites live on the home page, under Your favorites. They're saved only on this device & browser — open the site on your phone or in another browser and you won't see them there. No account, no server.
How to use
- Enter the area value you want to convert.
- Select the unit you are converting from.
- Select the unit you want the result in.
- The converted value appears instantly, and the table below shows equivalents in all supported units.
Conversion reference
| From | To | Multiply by |
|---|---|---|
| sq ft | sq m | 0.092903 |
| sq m | sq ft | 10.7639 |
| acres | sq ft | 43,560 |
| acres | sq m | 4,046.86 |
| hectares | acres | 2.47105 |
| sq km | sq m | 1,000,000 |
| sq km | acres | 247.105 |
| sq yd | sq ft | 9 |
Real-world reference points
| Area | Value |
|---|---|
| Standard parking space | ~8.5 m² (91 ft²) |
| Tennis court (singles) | 195.7 m² (2,106 ft²) |
| American football field | ~0.53 acres (0.21 ha) |
| New York City Central Park | 341 hectares (843 acres) |
| Average US house lot | ~0.17 acres (6,970 ft²) |
Worked examples
A 1,200 sq ft apartment in square meters
- 1,200 × 0.092903 = 111.48 m²
- Also: 133.3 square yards, or 1.115 ares
A 5-acre property in hectares and square meters
- 5 × 0.404686 = 2.023 hectares
- 5 × 4,046.86 = 20,234 m²
- Or, as a square: roughly 142 × 142 m
A 2 hectare field
- 2 × 10,000 = 20,000 m²
- 2 × 2.47105 = 4.942 acres
- 2 × 107,639 = 215,278 ft²
Notes
- Square vs. linear — doubling a length quadruples the area. A 20 × 20 ft room isn’t “twice” a 10 × 10 ft room, it’s four times the floor space.
- Acre ≠ square acre — “acre” is already a unit of area. “Square acre” isn’t a real unit; don’t let anyone sell you one.
- Conversion factors follow SI definitions and the international acre (4,046.8564 m²).
- The acre is defined exactly as 43,560 square feet.
- Results are rounded to 6 decimal places.
Frequently asked
How many square feet are in a square meter?
How many square feet are in an acre?
How many acres are in a hectare?
How do you convert square feet to square meters?
How many square feet are in a square yard?
What is the difference between a hectare and a square kilometer?
Embed this calculator
Add this free calculator to your own site. Copy the snippet — it works anywhere you can paste HTML, and stays in sync with this page.
Related calculators
- Square footage calculator
Calculate room area in square feet, square meters, or square yards.
- Length converter
Convert meters, feet, miles, kilometers, inches, and more.
- Weight converter
Convert pounds, kilograms, ounces, grams, stone, and more.
- Temperature converter
Convert between Celsius, Fahrenheit, and Kelvin instantly.