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Calculator Collection

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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

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 required34
ResultInterfacing Needed (yards)Button Spacing (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.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.