Quilting Calculators

Do you ever ask yourself “how do I resize a quilt block?” or “how do I make HSTs in any size?”. Or maybe, “What size half square triangle from a charm pack?” Wonder no more! This is your one-stop-shop for quilting calculators! These quilting calculators do the math for you, so you can get back to sewing. If you’d like to see a new quilting calculator added, be sure to mention it in the comments!

half square triangle calculator

The Half Square Triangle calculator will figure out what size squares you need to cut for 2-at-a-time, 4-at-a-time, and 8-at-a-time HSTs! Get all the math done and none of the hassle.

4-at-a-time Flying Geese are the fastest, no-waste way to make Flying Geese! Simply put in the finished width you want your Flying Geese to be and the calculator will tell you what size squares you need to cut!

Make any size Irish Chain Quilt with this calculator! Decide what size blocks you want to make and adjust the number of blocks until the size quilt is determined on the right.

Determine how much yardage you need to buy with this Yardage calculator. Input the number of squares you need, and the size squares you’re making, and it will tell you how many inches to buy.