Quilter's Toolbox
Free calculators and planning tools for every stage of your quilt project.
Essential Calculators
Backing & Batting Calculator
Enter your quilt size once — get the backing yardage and the batting size (with shrinkage and package).
Binding Calculator
Straight-grain or continuous bias binding — strip length and fabric yardage for any quilt.
Yardage ↔ Precut Converter
Convert both ways: how many precuts your yardage makes, or the yardage a stack of precuts is worth.
Planning Tools
Project Planner
Plan your entire quilt in 4 steps and get a complete shopping list.
Quilt Size Guide
Interactive reference for standard quilt sizes, mattress drops, and block layouts.
Border Calculator
Plan up to 3 borders with mitered or straight corners and total yardage.
Sashing Calculator
Calculate sashing strips, cornerstones, and final quilt top dimensions.
Block Size Calculator
Finished ↔ unfinished sizes, plus HST, QST, and Flying Geese cutting math.
On-Point Setting Calculator
Calculate setting triangles for quilts with blocks set on point (45°).
Strip Piecing Calculator
Optimize strip sets, plan a Jelly Roll Race, or calculate bargello yardage.
Pattern Calculators
Specialty Calculators
T-Shirt Quilt Calculator
Find the best layout, block size, and stabilizer needed for a memory quilt.
Hexagon / EPP Calculator
English Paper Piecing math — hexagon sizing, cutting, and how many you need.
Prairie Points Calculator
Calculate how many prairie points and fabric for this decorative edge treatment.
Longarm Cost Estimator
Estimate what a longarm quilter might charge based on size and quilting style.
Charity Quilt Quick-Calc
Size requirements and material estimates for Project Linus, Quilts of Valor, and more.
Advanced Tools
Precut Planner
Find out what you can make with charm packs, jelly rolls, layer cakes, and more.
Color Value Checker
Upload a photo of your fabrics to check if you have enough contrast for your design.
Mistake Recovery Calculator
Cut wrong? Not enough blocks? Get creative recovery options to save your project.
Scrap Buster Guide
Enter a scrap size to see what you can cut, plus a sorting system for your stash.
Metric ↔ Imperial Converter
Convert quilting measurements with a reference table for common sizes.