Area Unit Convertersq ft · m² · acres · ha · sq yd · km² · sq in
Convert any area unit instantly square feet to square meters, acres to hectares, square yards to square feet, square kilometers to hectares. Built for real estate agents, students, farmers, contractors, and engineers. Type once, all units update, copy any result in one click.
Area scale smallest to largest
Every Area Unit Anchored to Square Meters
All supported units with their exact m² equivalents and typical field of use
| Unit | Abbr. | In Square Meters (m²) | Typical Use |
|---|---|---|---|
| Square millimeter | mm² | 0.000001 m² | PCB traces, microchips, technical drawings |
| Square centimeter | cm² | 0.0001 m² | Small surfaces, tiles, paper area |
| Square inch | sq in | 0.000645 m² | Screen sizes, fabric cuts, US specs |
| Square foot | sq ft | 0.0929 m² | US/UK room area, real estate, flooring |
| Square yard | sq yd | 0.8361 m² | Carpet, fabric, cricket pitches |
| Square meter | m² | 1 m² | Apartments, rooms, construction |
| Are | are | 100 m² | Land area in some EU countries |
| Acre | ac | 4,046.86 m² | US/UK land, farming, property |
| Hectare | ha | 10,000 m² | Agriculture, land registry, EU farms |
| Square kilometer | km² | 1,000,000 m² | Cities, countries, geographic areas |
| Square mile | sq mi | 2,589,988 m² | US counties, population density |
Area scales as the square of length. If 1 m = 3.281 ft, then 1 m² = 3.281² = 10.764 sq ft. Always square the linear factor when converting area a common exam mistake is using the linear factor (×3.281) instead of the squared one (×10.764).
Area Conversion Across Every Sector
Real estate, construction, agriculture, and geography each use different area units — this tool covers all of them
Real Estate & Property
- US listings use sq ft; EU listings use m² convert instantly to compare
- 1,000 sq ft apartment = 92.9 m² (about a 3-bedroom flat in London)
- Lot size in acres (US) vs hectares (EU) 1 acre = 0.405 ha
- Property tax assessments often require m² convert from sq ft listings
Construction & Flooring
- Flooring is sold in sq ft (US) and m² (EU) buy the right amount
- Tiles specified in sq yd; rooms measured in sq ft: divide sq ft ÷ 9 for sq yd
- Concrete slabs: sq ft for pour area, m² for material quantity sheets
- Paint coverage: typically listed per m² or per sq ft match to room size
Agriculture & Land
- UK/US farms use acres; European farms use hectares 1 ha = 2.471 acres
- International crop yield reports use hectares convert from local acre data
- 1 sq mi = 640 acres = 259 ha common in large US land parcel descriptions
- Land registration in India uses sq ft, sq yd, and acres by region
Mapping & Geography
- Country area comparisons: km² standard globally (e.g., India = 3.29M km²)
- National parks, forests: hectares (ha) for EU; sq mi or acres for US
- Urban planning uses ha and km²; individual plots use m² or acres
- Satellite imagery resolution often cited as m² per pixel
Exact Formulas for Every Area Conversion
Precise multipliers for all common conversions verify manually or use as a formula reference
| Convert | Formula | Example |
|---|---|---|
| sq ft → m² | sq ft × 0.092903 | 1,000 sq ft = 92.9 m² |
| m² → sq ft | m² × 10.7639 | 100 m² = 1,076.4 sq ft |
| acre → m² | acres × 4,046.86 | 5 ac = 20,234 m² |
| m² → acre | m² ÷ 4,046.86 | 10,000 m² = 2.471 ac |
| ha → acre | ha × 2.47105 | 10 ha = 24.71 ac |
| acre → ha | acres × 0.404686 | 100 ac = 40.47 ha |
| ha → m² | ha × 10,000 | 2.5 ha = 25,000 m² |
| km² → ha | km² × 100 | 5 km² = 500 ha |
| sq yd → m² | sq yd × 0.836127 | 50 sq yd = 41.8 m² |
| sq ft → sq yd | sq ft ÷ 9 | 450 sq ft = 50 sq yd |
| sq in → cm² | sq in × 6.4516 | 10 sq in = 64.5 cm² |
| sq mi → km² | sq mi × 2.58999 | 10 sq mi = 25.9 km² |
Familiar Spaces in Every Unit
Anchor abstract area values to things you can visualise and verify your conversions make physical sense
A4 sheet of paper
0.0623 m²0.671 sq ft210 × 297 mm
Standard parking spot
~14 m²~150 sq ft2.5 m × 5.5 m typical
1-car garage
~18 m²~200 sq ftSingle bay
Studio apartment
25–35 m²270–380 sq ftTypical city studio
Tennis court
260 m²2,808 sq ftSingles court
Basketball court
420 m²4,520 sq ftNBA regulation
Football pitch
~7,140 m²~76,850 sq ftFIFA standard
1 acre
4,047 m²43,560 sq ft= 0.405 hectare
Central Park (NYC)
3,410,000 m²36.7M sq ft341 hectares / 843 acres
Typical Room Areas in sq ft, m² and sq yd
Use this reference to convert room measurements for flooring, tiling, and real estate listings
| Room Type | Square Feet (sq ft) | Square Meters (m²) | Square Yards (sq yd) |
|---|---|---|---|
| Small bathroom | 40–60 sq ft | 3.7–5.6 m² | 4.4–6.7 sq yd |
| Large bathroom | 80–150 sq ft | 7.4–13.9 m² | 8.9–16.7 sq yd |
| Small bedroom | 70–100 sq ft | 6.5–9.3 m² | 7.8–11.1 sq yd |
| Master bedroom | 130–200 sq ft | 12–18.6 m² | 14.4–22.2 sq yd |
| Living room | 150–300 sq ft | 13.9–27.9 m² | 16.7–33.3 sq yd |
| Kitchen | 80–120 sq ft | 7.4–11.1 m² | 8.9–13.3 sq yd |
| Garage (1-car) | 150–250 sq ft | 13.9–23.2 m² | 16.7–27.8 sq yd |
| Standard plot | ~6,000 sq ft | ~557 m² | ~667 sq yd |
Flooring tip: Measure length × width in feet to get sq ft, then divide by 9 for sq yd (carpet) or multiply by 0.0929 for m² (EU tiles). Always add 10% for cuts and waste. Enter your measured sq ft into the converter above to get all units simultaneously.
Area Conversion Questions Answered
Covering sq ft, m², acres, ha, sq yd, sq in, km², sq mi with exact formulas and real-estate, farming, and flooring examples
Core Area Conversions
Enter your square foot (sq ft) value, select sq ft as the source unit — the square meter (m²) result appears instantly. Formula: sq ft × 0.092903 = m². Example: 1,000 sq ft = 92.9 m². In reverse: m² × 10.7639 = sq ft. This is the most common area conversion for comparing US real estate listings with European property markets.
1 square meter (m²) = 10.7639 square feet (sq ft). 1 acre = 43,560 sq ft = 4,046.86 m². Quick references: 100 m² = 1,076.4 sq ft; 500 m² = 5,382 sq ft; 1,000 m² = 10,764 sq ft. An acre is a common US/UK land unit — roughly the size of a football pitch (minus end zones).
Acres to sq ft: acres × 43,560 = sq ft. Example: 0.5 acres = 21,780 sq ft. Sq ft to acres: sq ft ÷ 43,560 = acres. Example: 87,120 sq ft = 2 acres. Acres are used for US/UK land, farms, and large property plots. 1 acre = 4,046.86 m² = 0.4047 hectare. The acre derives from the area a yoke of oxen could plough in a day.
Hectares to acres: ha × 2.47105 = acres. Example: 10 ha = 24.71 acres. Acres to hectares: acres × 0.40469 = ha. Example: 100 acres = 40.47 ha. The hectare (ha) is the SI-adjacent metric unit for land — 1 ha = 10,000 m² = 2.471 acres. European farms use hectares; UK and US farms use acres. International crop yield data always uses hectares.
m² to sq ft: m² × 10.7639 = sq ft. Example: 85 m² = 915 sq ft. km² to m²: km² × 1,000,000 = m². Example: 2.5 km² = 2,500,000 m². In hectares: 2.5 km² = 250 ha. These conversions are common when interpreting architectural drawings (m²) for US clients (sq ft), or scaling geographic map areas between km² and m².
Three steps: (1) Type or paste any area value — integer or decimal (e.g., 1,250 sq ft, 0.75 acres, 85.5 m²). (2) Select the source unit from the dropdown: mm², cm², sq in, sq ft, sq yd, m², are, ac, ha, km², or sq mi. (3) All outputs update instantly. Tap the Copy button next to any row to copy that value to your clipboard.
Yes. Decimal inputs are fully supported: 1,250.5 sq ft → 116.16 m²; 0.75 acres → 3,035.1 m² → 1.852 ha × 10⁻¹; 2.35 ha → 5.807 acres. Full floating-point precision is maintained throughout — no rounding at the input stage. Useful for property listings with fractional areas, partial plot sales, and room measurement decimals.
Yes. The converter is fully responsive with large tap targets and a clean mobile layout. Open untangletools.com/unit/category/area in any phone browser while on site — enter the room measurement in sq ft from a laser measure app and instantly see the m² value to paste into your specification sheet. Works on iPhone, Android, and tablet browsers. No app download needed.
km² to hectares: km² × 100 = ha. Example: 25 km² = 2,500 ha. ha to acres: ha × 2.47105 = acres. Example: 2,500 ha = 6,177.6 acres. For very large areas: 1 sq mi = 258.999 ha = 640 acres = 2.59 km². These conversions are essential in forestry, national park management, agricultural census reporting, and geographic information systems (GIS).
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