SmartCalculators

Geometry

Plane and solid figure calculators: sides, areas, perimeters and diagonals

Square Calculator

Solve a square from any one measurement — side, area, perimeter or diagonal — with every step shown and the figure drawn to your numbers.

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Geometry

Plane and solid figure calculators: sides, areas, perimeters and diagonals

Other categories

Finance · Everyday · Education · Math · Statistics · Conversion · Dates & Time · Food · Health · Sports · Pregnancy & Fertility · Physics · Engineering · Construction · Technology · Gaming · Ecology

Frequently Asked Questions

Are these calculators free?

Yes. Every calculator on this page runs in your browser, is free to use and needs no account.