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Both calculators run independently β€” change the inputs on either side to compare results.

Sewing

Interfacing Yardage Calculator

Calculate the yardage of interfacing needed to stabilize garment pieces like collars, cuffs, and facings. Enter your garment type, size factor, interfacing width, and any extra pieces to get a total yardage estimate.

Fill in the required fields to see your result.
Sewing

Buttonhole Spacing Calculator

Calculates the even spacing between buttonholes along a garment placket given the placket length, number of buttons, and top and bottom margins. Use it when constructing shirts, coats, or any garment with a button band.

Fill in the required fields to see your result.

Key differences

Interfacing Yardage CalculatorButtonhole Spacing Calculator
CategorySewingSewing
Inputs required44
ResultInterfacing Needed (yards)Button Spacing (inches)
What it doesCalculate the yardage of interfacing needed to stabilize garment pieces like collars, cuffs, and facings. Enter your garment type, size factor, interfacing width, and any extra pieces to get a total yardage estimate.Calculates the even spacing between buttonholes along a garment placket given the placket length, number of buttons, and top and bottom margins. Use it when constructing shirts, coats, or any garment with a button band.