Square Area Calculator

• Select defined values - side or diagonal of the square;
• enter the value of datas;
• select units of measurement - meter (m), centimeter (cm) or millimeter (mm);
• select in which units you want to get the area - square meters (m²), square centimeters (cm²) or square millimeters (mm²).

You can input only integer numbers or fractions in this online calculator. More in-depth information read at these rules.

If you have any difficulties with units conversion, you can use the length converter and area converter.