FREE FABRIC CALCULATORS
Fabric math,
made simple.
Plan yardage, backing, binding, upholstery, cushions and curtains with practical calculators built for real sewing projects.
✓ No signup
▱ US & metric units
✂ Practical cut details

EXAMPLE RESULT
5.25 yards
Recommended quilt backing
POPULAR TOOLS
Start with one clear answer.
Each calculator focuses on one fabric question and gives you the quantities, dimensions and cut information you actually need.
01
QUILTING
Quilt Backing Calculator
Find backing yardage, panel count, seam direction and cut length in one calculation.
02
QUILTING
Quilt Binding Calculator
Calculate binding length, strip count and fabric yardage.
03
UPHOLSTERY
Cushion Fabric Calculator
Estimate fabric for cushion faces, boxing, seams and pattern allowances.
04
CURTAINS & DRAPERY
Curtain Fabric Calculator
Plan fullness, panels and fabric yardage for any window.
BROWSE BY PROJECT
What are you making?
Choose a project area and go straight to the calculations that matter for it.
MADE FOR USEFUL ANSWERS
Fabric math without the guesswork.
Fabric Formula is built around tools first: clear inputs, transparent formulas and results you can use at the cutting table.
01
See what to buy
Recommended purchase quantities, not just raw math.
02
Understand the layout
Panels, seams, orientation and cut dimensions.
03
Use the result
Tables, examples and formulas around the calculator.