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 It Works
This area converter works by using square meters as a base unit. When you enter a value, it is first converted from the source unit to square meters using a known conversion factor. Then, the square meter value is divided by the target unit's conversion factor to produce the final result.
The formula is straightforward: result = value x (fromFactor / toFactor). For example, to convert 1 acre to square meters, multiply 1 by 4046.86 (the number of square meters in one acre). To then convert to hectares, divide by 10,000 (the number of square meters in one hectare), giving 0.404686 hectares.
All conversions use internationally recognized conversion factors. Metric units (mm², cm², m², km², hectares) follow the SI system, while imperial units (in², ft², yd², mi², acres) use the internationally agreed-upon definitions that link them precisely to metric values.
The quick reference table shows your input value converted to all supported units simultaneously, filtering out values that are extremely small or extremely large to keep the display readable and useful.
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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