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** square calculator** - step by step calculation, formulas & solved example problem to find the area, perimeter & diagonal length of a square in different measurement units between inches (in), feet (ft), meters (m), centimeters (cm) & millimeters (mm). In Geometry, square is the shape having four straight equal sides and four 90-degree angles or right angles. This featured square calculator uses different converter function in order to generate the Output in different measurement units. The square formulas, solved example & step by step calculations may useful for users to understand how the input values are being used in such calculations.

The below mathematical formulas are used in this square calculator to find area, perimeter & diagonal length of a square

The below solved example problem may be useful to understand how the values are being used in the mathematical formulas to find the area, perimeter & diagonal length of a square.

**Example Problem :**

Find the area, perimeter & diagonal length of a square having the sides of 9 cm?

**Solution :**

The given

side = 9 cm

**Step by step calculation**

formula to find area = side x side

substitute the values

= 9 x 9

= 81

formula to find perimeter = 4 x side

substitute the values

= 4 x 9

= 36

formula to find diagonal length = √2 x side

substitute the values

= √2 x 9

= 12.7279

The area, perimeter & diagonal length of a square may required to be calculated in different measurement unit systems, therefore this square calculator is featured with major measurement units conversion function to find the output values in different customary units such as inches (in), feet (ft), meters (m), centimeters (cm) & millimeters (mm) by using this below conversion table.

10 mm = 1 cm 100 mm = 3.93 in 1000 mm = 3.28 ft 1000 mm = 1 m |
1 cm = 10 mm 10 cm = 3.93 in 100 cm = 3.28 ft 100 cm = 1 m |
1 ft = 3048 mm 1 ft = 304.8 cm 1 ft = 12 in 10 ft = 3.048 m |
1 in = 25.4 mm 1 in = 2.54 cm 100 in = 8.33 ft 100 in = 2.54 m |

In the field of *area & volume calculations*, finding the area, perimeter & diagonal length of a square is important to understand basic mathematical computations. The above formulas, step by step calculation & solved example may helpful for users to understand the how to calculate square's area, perimeter & diagonal length manually, however, when it comes to online to perform quick calculations, this square calculator may be useful to find the results.

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