Quilting Calculators

4.6
754 reviews
100K+
Downloads
Content rating
Everyone
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About this app

Master the math involved in quilting! Robert Kaufman Fabrics and Quilters Paradise have joined forces to bring you this updated collection of eight essential quilting calculators. Designed by quilters, the calculators work with both U.S. and metric measurements. With these tools you’ll easily and accurately work out how many rectangular pieces can be cut from a larger piece, or how much fabric is needed for backing, batting and borders, square-in-a-square, set-in and corner triangles.

Fabric Measurement Converter: Converts between measurement in decimals and fractions.

Backing and Batting Calculator: Determines how much yardage from a bolt of fabric is needed to make the backing for a quilt.

Piece Count Calculator: Shows the number of fixed-size pieces that can be cut from a larger piece of fabric.

Pieces to Yardage Area Calculator: Indicates how much fabric is needed in order to cut a given number of fixed-size pieces.

Binding Calculator: Tells you the amount of fabric required to bind your quilt, based on the quilt’s dimensions and the binding strip width.

Border Calculator: Shows the amount of fabric required to create borders, based on your quilt’s dimensions and the width of the borders.

Square-in-a-Square Calculator: Works out all the key dimensions of a square-in-a-square block.

Set-in and Corner Triangle Calculator: Determines the size of the square piece you’ll need to cut in order to create both unfinished set-in triangles and unfinished corner triangles.
Updated on
Jul 14, 2023

Data safety

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No data collected
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Ratings and reviews

4.6
640 reviews
Sandra Chavez
July 15, 2023
Love this tool. Improvements in the latest update make it even more useful. Just one suggestion: it would be nice if to add a handy metric↔️imperial converter. Sometimes dimensions are given on metric, or, in countries where metric is the standard, in inches. Either way, one has to do the conversions in a separate tool. Even better, add a chart where several dimensions for a pattern can be given (metric or imperial) and, tada, the conversions are presented.
25 people found this review helpful
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Kathy Barry
January 30, 2022
I finally was able to download the app, network error! Can now say it looks really good. I haven't used it yet to calculate any measurements for a quilt but I've had a little play and can see how useful it will be. Very straightforward and easy to use, helpful explanations, just punch in your measurements and it gives the required amount of fabric needed, quick and easy. Thank you and well done 👏
21 people found this review helpful
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Christine Aiello
March 30, 2023
Square in a Square calculates incorrectly, adding an inch to any finished inside square length you give it. For example, if you enter a finished inside square length of 5, the calculation incorrectly uses a finished inside square length of 6. Other calculations I've made using the app (binding, borders, backing) have worked out well.
13 people found this review helpful
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What's new

Implemented suggestions from quilters, and made various small corrections and updates.