The Quilt Calculators - Half Square Triangles

Use this Quilt Calculator to find fabric requirements and cutting instructions for Half Square Triangles Two At A Time or Eight At A Time. The video below shows you how to make HST using these methods and more.

These methods use 2 squares of fabric: the background and the accent. The results of these calculations give the amount of fabric needed for one fabric. Therefore, you will need the same amount of fabric for the second fabric.

Half Square Triangle Fabric Requirements

Number of HST units needed:

HST finished size:

Choose finished size: Two At A Time - No Trimming Two At A Time - Trim Eight At A Time - No Trimming Eight At A Time - Trim

Fabric Requiremets and Cutting