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Calculator Collection

Compare calculators

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

Sewing

Zipper Length Calculator

Compute the minimum zipper length to buy for a given opening length and zipper type, accounting for slider parking and stop placement. Useful when shopping zippers before starting construction so you do not buy short.

Fill in the required fields to see your result.
Sewing

Fabric Yardage Calculator

Calculate the total yardage of fabric to buy for a sewing project based on project dimensions and fabric bolt width. Use it before purchasing to avoid running short mid-project or over-buying expensive fabric.

Fill in the required fields to see your result.

Key differences

Zipper Length CalculatorFabric Yardage Calculator
CategorySewingSewing
Inputs required23
ResultRecommended Zipper Length (inches)Fabric Needed (yards)
What it doesCompute the minimum zipper length to buy for a given opening length and zipper type, accounting for slider parking and stop placement. Useful when shopping zippers before starting construction so you do not buy short.Calculate the total yardage of fabric to buy for a sewing project based on project dimensions and fabric bolt width. Use it before purchasing to avoid running short mid-project or over-buying expensive fabric.