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Square & Rectangle Calculator

Sides, area, perimeter and diagonal from any two known values

Shape

Enter the side, diagonal, area or perimeter you chose above.

In square units of the length unit.

Display

Labels the results. Areas and volumes use the squared and cubed unit.

Area

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Perimeter

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Diagonal

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Length

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Width

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Aspect Ratio

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Diagram

All measurements

MeasureValueHow it is worked out