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

Sewing

Interfacing Yardage Calculator

Estimate how many yards of interfacing to buy for a garment's collars, cuffs, facings, and button bands. Enter your garment size, interfacing width, and number of extra pieces for an accurate total.

Fill in the required fields to see your result.
Sewing

Buttonhole Spacing Calculator

Calculate the center-to-center distance between buttonholes on a placket for evenly spaced results. Use it whenever adding buttons to a shirt, cardigan, blouse, jacket, or any faced opening.

Fill in the required fields to see your result.

Key differences

Interfacing Yardage CalculatorButtonhole Spacing Calculator
CategorySewingSewing
Inputs required34
ResultInterfacing Needed (yards)Spacing Between Buttonholes (inches)
What it doesEstimate how many yards of interfacing to buy for a garment's collars, cuffs, facings, and button bands. Enter your garment size, interfacing width, and number of extra pieces for an accurate total.Calculate the center-to-center distance between buttonholes on a placket for evenly spaced results. Use it whenever adding buttons to a shirt, cardigan, blouse, jacket, or any faced opening.