Calculators and Charts

We all need them! There are times when I can’t even think of my basic Multiplication Chart, much less figuring out how much backing or binding I will need. Here are some calculators and charts you can use when you are online and printable charts to use when you are not.

Fabric and Yardage

  • Backing and Binding Calculator
  • Diagonal Backing Calculator
  • Batting Calculator (How much batting to buy)
  • Quilting Density Calculator (Estimate thread requirements.)
  • Binding Charts to Print and Save
  • Border Yardage Calculator (Calculates fabric needed for multiple borders of varying widths.)
  • Sashing Calculator (Determines yardage for sashing strips and cornerstones.)
  • Setting Triangle Calculator (For on-point quilts.)
  • Fabric Requirement Calculator (Enter block size and quilt size, estimate yardage.)
  • Strip-Piecing Calculator (How many strips are needed to produce a given number of units.)
  • Jelly Roll Conversion Calculator (Converts jelly roll strips into equivalent yardage.)
  • Fat Quarter Calculator (How many fat quarters are needed for a project.)
  • Fat Quarter Yield Calculator (How many pieces of a given size can be cut from one fat quarter.)
  • Scrap Yardage Calculator (Convert scraps into approximate yardage equivalents.)

Quilt Sizes

  • Quilt Size Calculator (Finished quilt size based on blocks, sashings, and borders.
  • Block Layout Calculator (How many blocks are needed for a desired quilt size.
  • Border Width Calculator (Determine border widths needed to reach a target size.
  • Mattress Size Calculator (Includes mattress depth and drop.
  • Quilt-to-Bed Proportion Calculator (For modern, traditional, and oversized bed quilts.

Blocks

  • Half-Square Triangle Calculator (Traditional Methods including 2-at-a-time and 4-at-a-time)
  • HST and QST Technique Sheet
  • Quarter-Square Triangle Calculator
  • Flying Geese Calculator (No Math, Quilt in a Day, Traditional)
  • Square-in-a-Square Calculator
  • Corner Triangle Calculator
  • Snowball Corner Calculator
  • Diamond Calculator
  • Hexagon Calculator
  • Equilateral Triangle Calculator
  • Attic Window Calculator
  • Square in a Square Blocks
  • Flying Geese No Math Method
  • Flying Geese QIAD Method
  • Magic Eight HST Method
  • QSTs From Magic Eight
  • 3-Part Split QST Blocks
  • QSTs
  • Bias Beauty HSTs
  • Economy Block
  • On Point Blocks

Techniques

  • Bias Beauty Technique Sheet
  • Bias Binding
  • Hidden Wells
  • Mitered Borders

Quilt Math

  • Scale a Block Calculator (Resize a block while preserving proportions.
  • Percentage Enlargement Calculator
  • Metric / Imperial Converter
  • Fraction to Decimal Converter
  • Quilt Math Calculator (Add, subtract, multiply, and divide fractions commonly used in quilting.

BiographyPhoebe Moon (also known as Kris Driessen) brings warmth and creativity to every corner of the quilting world. A former quilt shop owner and passionate pattern designer, she’s spent years inspiring quilters of all skill levels through her clever designs, time-saving techniques, and hands-on teaching. Whether sharing beginner-friendly projects, guiding advanced quilting methods, or creating step-by-step tutorials, Phoebe loves helping others grow in their craft. Explore her collection of Printable PDF Quilt Patterns on Etsy —from mini quilts and table runners to full-size bed quilts—and discover the resources, inspiration, and community that make quilting such a joy.

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