Enter the length of the binding and the width of the binding into the calculator to determine the total square inches/feet needed.

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## Bias Tape Formula

The following formula is used to calculate the square inches of bias tape:

SQI = LOB * WOB

- Where SQI is the square inches
- LOB is the length of binding (inches)
- WOB is the width of binding (inches)

## Bias Tape Definition

A bias tape, also known as bias binding, is a strip of fabric (usually narrow), that is cut on a bias. The tape is used to bind, repair, or finish the edges of fabrics or seams.

Bias tape has fibers that run at 45 degrees to the length of the strip. This allows the fabric to stretch further and be used more easily for its purpose.

## How to calculate bias tape amount?

**Example Problem: **

The following example outlines the steps needed to calculate the total square inches of bias tape needed for a binding.

First, measure the total length of the binding. In this example, the total length is measured to be 50 inches.

Next, measure the total width of the binding. For this binding, the width is measured to be 10 inches.

Finally, calculate the total square inches of bias tape needed using the formula above:

SQI = LOB * WOB

SQI = 50 * 10

SQI = 500 square inches = 3.472 square feet