Sewing Calculators
Estimate fabric yardage for curtains, dresses, upholstery, and general sewing projects. Every calculator supports imperial and metric units with purchase rounding to standard shop increments.
Select a calculator below to get started, or browse our sewing guides on the blog for tips on measuring and planning your next project.
Fabric Yardage Calculator
Calculate fabric yardage for any sewing project. Supports pattern repeats, multiple fabric widths, and rounds to shop purchase increments.
Curtain Fabric Calculator
Work out curtain fabric requirements including fullness ratio, pattern repeat, and heading allowance. Imperial and metric with purchase rounding.
Upholstery Fabric Calculator
Estimate upholstery fabric needed for sofas, chairs, and cushions. Accounts for pattern matching, fabric width, and nap direction.
Bias Binding Calculator
Calculate continuous bias binding length from a fabric square. Enter your square size and strip width to find total bias tape yield.
Dress Fabric Yardage Calculator
Estimate dress fabric yardage based on garment size, style, fabric width, and nap requirements. Rounds up to nearest shop increment.
Roman Blind Fabric Calculator
Calculate roman blind fabric requirements including lining, returns, and pattern repeat allowances. Supports standard and hobbyist sizes.
Elastic Calculator for Sewing
Calculate elastic length for waistbands, cuffs, and casings. Adjusts for stretch type — woven, braided, or knitted — with standard ratios.
Button Spacing Calculator
Space buttons evenly along any garment opening. Enter garment length, button count, and diameter for precise placement measurements.