Online calculators

Our site contains more than 100 free online calculators on math, geometry and physics.

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Basic formulas, charts and theorems for those who study. All necessary things to complete homework assignment!

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Examples of task solutions on main topics of school and academic courses. Detailed answers with analysis!

Calculate the square area online

Our online calculator allows you calculate the area of a square in two ways: through its side and throughthe diagonal. To find the area of a square, select the appropriate method, enter the value of sides or diagonals and press the “To calculate”, the calculator will give an answer and the detailed solution!

Enter the data for calculating the area
Select the method of calculating the area:
The formula through the side:
a =
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