Square Footage Calculator
Calculate square footage with Calculator 360 using the available inputs.
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How to use this calculator
Multiply rectangular length by width to estimate square footage. Enter feet, inches, or meters; the result also shows square meters. This geometric calculation does not use any legal floor-area definition.
Choose the relevant mode and units, enter the needed values, and review the result and its stated limits.
The foot and inch definitions are exact; square footage here is geometry, not a property-law measure.
Frequently asked questions
What does this tool calculate?
Multiply rectangular length by width to estimate square footage. Enter feet, inches, or meters; the result also shows square meters. This geometric calculation does not use any legal floor-area definition.
Which inputs are used?
The calculation uses the values and units you enter in this form.