Area Converter
Free online area converter tool. Instantly convert between square meters, square feet, acres, hectares, square kilometers, square miles, and more area units with precision.
Quick Reference: 1 Square Meter (m²) in other units
How to Use This Tool
- Enter the numeric value you want to convert in the Value field.
- Select the unit you are converting from in the "From" dropdown (e.g. Square Meter).
- Select the unit you want to convert to in the "To" dropdown (e.g. Square Foot).
- Read the converted result instantly below the inputs.
- Use the "Swap Units" button to quickly reverse the From and To units.
- Check the Quick Reference table to see your input value converted into every other supported unit at once.
Formula & How It Works
Area Conversion Formula
result = value × (fromFactor ÷ toFactor)Every unit has a conversion factor expressed in square meters. The value is first normalized to square meters (value × fromFactor), then divided by the target unit's factor to get the final result.
Acres to Hectares
hectares = acres × 4046.86 ÷ 100001 acre = 4046.86 m², and 1 hectare = 10,000 m², so converting acres to hectares means multiplying by the acre factor and dividing by the hectare factor.
Square Feet to Square Meters
m² = ft² × 0.092903Because area is two-dimensional, this factor is the square of the linear conversion (1 ft = 0.3048 m, so 0.3048 × 0.3048 = 0.092903).
Practical Examples & Common Use Cases
Converting a house plot from square meters to square feet
A 150 m² apartment: 150 × (1 ÷ 0.092903) = 150 × 10.7639 ≈ 1,614.6 ft². This tells a US-based buyer the property's size in the units they are used to.
Converting farmland from acres to hectares
A 40-acre farm: 40 × (4046.86 ÷ 10000) = 40 × 0.404686 ≈ 16.19 hectares. This is useful when comparing US land listings to metric land records used in most other countries.
Converting a city area from square kilometers to square miles
A city covering 25 km²: 25 × (1,000,000 ÷ 2,589,988) ≈ 9.65 mi². Useful for comparing city sizes reported in different measurement systems.
Frequently Asked Questions
There are exactly 43,560 square feet in one acre. An acre is defined as a unit of land measurement equal to 4,840 square yards, or roughly 4,046.86 square meters. This measurement has historical roots in English agriculture, where an acre originally represented the amount of land a yoke of oxen could plow in one day.
A hectare is a metric unit equal to 10,000 square meters (100 m x 100 m), while an acre is an imperial unit equal to approximately 4,046.86 square meters. One hectare is roughly 2.471 acres, and one acre is approximately 0.4047 hectares. Hectares are used internationally and in most countries, while acres are more commonly used in the United States, United Kingdom, and a few other countries.
To convert square meters to square feet, multiply the value in square meters by 10.7639. For example, 100 square meters equals approximately 1,076.39 square feet. Conversely, to go from square feet to square meters, divide the square feet value by 10.7639 (or multiply by 0.092903).
Area conversion factors are the square of their corresponding length conversion factors because area is a two-dimensional measurement. For instance, since 1 foot equals 0.3048 meters, 1 square foot equals 0.3048 x 0.3048 = 0.092903 square meters. This squaring principle applies to all area unit conversions derived from length units.
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