Square Inch Calculator

Perform quick & accurate conversions and Calculations

Length (L)

ft

in

Width (W)

ft

in

Sq in:

0

What is a square Inch?

A square inch calculator is a tool used to calculate the area in square inches for a given object or space. This can be useful for measuring small surfaces like a piece of paper, a fabric swatch, or a tile. It works by using the formula for the area of a shape (such as a rectangle, square, or circle).

Area = Length (in inches) × Width (in inches)

Square inchs calculate

How to use a square inch calculator?

For rectangular or square shapes: Use the formula:

Area = Length (in inches) × Width (in inches)

Square inchs calculate for Rectangular or Square Shapes

For circular shapes: Use the formula:

Area = π×r2

Square inchs calculate for Rectangular or Square Shapes

For triangular shapes: Use the formula:

Area =

1

2

× Base × Height

Square inchs calculate for Rectangular or Square Shapes

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