Convert Square Meter to Acre (m² → ac)

Converting square meters to acres is straightforward: multiply by the conversion factor. Follow these three steps to do it by hand or in your head.

1. 1
   Take your value in square meters

   Start with the number of square meters (m²) you want to convert.
2. 2
   Multiply by 0.000247

   The conversion factor from m² to ac is 0.000247. Multiply your value by this number.
3. 3
   Read the result in acres

   The result is your value in acres (ac).

Multiply the value in square meters by 0.000247. For the reverse direction, multiply by 4,046.8564.

• ✓1 m² ≈ 10.76 ft².
• ✓Multiply length × width in metres to get m².
• ✓For a mental image: a square tile 1 m × 1 m covers 1 m².

• ✗Writing m2 or m^2 in formal documents — the correct notation is m².
• ✗Confusing m² with m — one is area, the other length.
• ✗Treating 2 m² as twice 1 m² in side length — it is actually √2 × 1 m on each side.

What is the Square Meter?

The square meter is the SI unit of area, equal to the area of a square measuring 1 meter on each side. It is the international standard for room sizes (a typical bedroom is 12–20 m²), real estate listings (apartments are sold by total m²), small construction projects, and scientific measurements. Most countries outside the US and UK quote property areas in square meters. The square meter relates to the hectare (1 ha = 10,000 m²), the square kilometer (1 km² = 1,000,000 m²), the square foot (1 m² ≈ 10.764 ft²), and the square yard (1 m² ≈ 1.196 yd²). Window glass, fabric for upholstery, paint coverage, and solar-panel ratings (e.g., 200 W/m² of sunlight) all use square meters. A standard parking space is about 12 m², and a typical European apartment ranges from 50 to 100 m².

• European apartment and home floor areas
• Urban land pricing in metric countries
• Commercial and office-space leasing

What is the Acre?

The acre equals exactly 4,046.8564224 square meters (or 43,560 square feet) and is the standard unit for American and British farmland, real estate, and recreational property. The unit's origin is medieval: an acre was the area a yoke of oxen could plow in one day, traditionally a strip 1 furlong (660 ft) by 1 chain (66 ft). Despite metric adoption in many fields, the acre persists in property records throughout the US and UK. A standard American football field (excluding end zones) is about 1.32 acres. The largest US state, Alaska, contains about 365 million acres. The acre relates to the square foot (43,560 ft² = 1 acre), the hectare (1 ha ≈ 2.471 acres), the square mile (640 acres = 1 mi²), and the square meter (1 acre ≈ 4,047 m²). US farms average around 446 acres, and the average UK farm is about 215 acres.

• US farmland and ranches
• UK rural property and estates
• Canadian rural property (legal survey system)