Area converter
Unit conversionHow big is that in other area units?
Convert between square metres, hectares, acres, square feet, square miles and more, exactly.
What you enter stays on your device while you use this tool. Opening a shared link sends the settings in its address to HowToolbox to prepare the page.
Result
0.09290304 m²
1 square foot equals 0.09290304 square metres
- The other way round: 1 m² ≈ 10.76 ft².
In all units
- Square millimetres
- 92,903.04 mm²
- Square centimetres
- 929.0304 cm²
- Square metres
- 0.09290304 m²
- Ares
- 0.0009290304 a
- Hectares
- 9.290304 × 10⁻⁶ ha
- Square kilometres
- 9.290304 × 10⁻⁸ km²
- Square inches
- 144 in²
- Square feet
- 1 ft²
- Square yards
- 0.1111 yd²
- Acres
- 2.296 × 10⁻⁵ ac
- Square miles
- 3.587 × 10⁻⁸ mi²
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Convert between square metres, hectares, acres, square feet, square miles and more, exactly.
How to use
- Type the area you want to convert.
- Choose the units to convert from and to. Use the swap button to flip them.
How it works
Every unit is converted through square metres using exact definitions: a hectare is 10,000 m², an are is 100 m² (the Finnish “aari”, the same unit), a square foot is exactly 0.09290304 m² because a foot is 0.3048 m, and an acre is 43,560 square feet or exactly 4,046.8564224 m². So 1 acre is about 0.4047 ha, and 1 m² is about 10.764 sq ft.
The definitions come from NIST Special Publication 811 and the UK Weights and Measures Act 1985. The hectare and the are are metric units accepted for use with the SI.
The acre here is the international acre. The older US survey acre differs by about 0.0004 %, which only matters in land surveying.
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Frequently asked questions
How many square metres are in a hectare?
Exactly 10,000 m², a square 100 m on each side.
How many hectares are in an acre?
About 0.4047 ha. An acre is exactly 4,046.8564224 m², and a hectare is 10,000 m².
What is an are, or aari in Finnish?
An are (aari in Finnish) is 100 m², a square 10 m on each side. A hectare is 100 ares. It is mostly used for plot and garden sizes.
How many acres are in a square mile?
Exactly 640 acres.
Why is converting square units different from converting lengths?
The length factor is squared. Since 1 m is 100 cm, 1 m² is 100 × 100 = 10,000 cm².
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