Online Unit Converter

List of abbreviations

Unit of measurementAbbreviation
square kilometer km²
square hectometer hm²
square dekameter dam²
square meter m²
square decimeter dm²
square centimeter cm²
square millimeter mm²
square micrometer µm²
square nanometer nm²
hectare ha
are a
barn b
square mile mi²
square yard yd²
square foot ft²
square inch in²
township twp
section sec
acre ac, A
square chain ch²
square rod rd²
cuerda cda
circular mil cmil
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