Area Conversion

Convert between square meters, square feet, acres, hectares, and more

Area Conversion
ready
$ convert --from [unit] --to [unit] --value [number]
$
>
formulas.ts

// Common Area Conversion Formulas

1const1 square meter = 10,000 sq cm
2const1 hectare = 10,000 sq meters
3const1 square km = 100 hectares
4const1 acre ≈ 4,047 sq meters
5const1 sq foot ≈ 0.0929 sq meters
6const1 sq mile = 640 acres
references.json

// Common Area Conversion References

{
"A4 Paper Area":"0.062 sq m",
"Standard Football Field":"7,140 sq m",
"Standard Basketball Court":"420 sq m",
"Standard Tennis Court":"260.87 sq m",
"Standard Swimming Pool":"1,250 sq m",
"Tiananmen Square, Beijing":"440,000 sq m"
}
guide.md

Area is length squared

Area units are derived from length. One square meter is a square with 1 m sides. When you convert area, you must square the corresponding length factor. Converting 1 ft to meters (×0.3048) means 1 ft² becomes 0.3048² square meters—not 0.3048.

method.ts

Conversion approach

  1. Convert the input to square meters using squared length factors.
  2. Convert square meters to the target unit.
  3. For acres and hectares, use the published land-area definitions rather than inventing “square miles of farmland” shortcuts.
sources.md

Sources

  • - SI Brochure: square meter as SI derived unit of area.
  • - NIST SP 811: acre = 4046.8564224 m²; hectare = 10,000 m².
examples.md

Worked examples

Apartment size: 900 ft² to m²

  1. 1 ft² = 0.3048² = 0.09290304 m².
  2. 900 × 0.09290304 = 83.612736 m².

Result: 900 ft² ≈ 83.61 m²

Field size: 2 hectares to acres

  1. 1 ha = 10,000 m²; 2 ha = 20,000 m².
  2. 1 acre = 4046.8564224 m².
  3. 20,000 / 4046.8564224 ≈ 4.942 acres.

Result: 2 ha ≈ 4.94 acres

Mistakes to avoid

  • Never apply a linear conversion factor directly to area values.
  • US survey acre historically used survey feet; modern international conversions use the international foot unless a survey document says otherwise.
  • City lot listings may round aggressively; treat converted sizes as approximate for purchase decisions.

Practical uses

  • - Comparing property listings across countries.
  • - Estimating flooring or paint coverage from plans.
  • - Converting agricultural field sizes between hectares and acres.
FAQ.md

Area FAQ

01 Q: How many square feet are in a square meter?

About 10.764. Exact factor: 1 m² = 1 / 0.09290304 ft² ≈ 10.7639104167 ft².

02 Q: Is a hectare bigger than an acre?

Yes. One hectare is about 2.471 acres.