The math part of every project
Free calculators for quilting, sewing, cross-stitch, crochet, baking, resin and candles. Measure in inches or centimeters and get amounts you can cut, pour and weigh.
- Free, no sign-up
- Inches or centimeters
- The formula is shown on every page
Start here
Resin & epoxy
Epoxy Resin Calculator
Resin and hardener amounts for table tops, river tables, coasters and molds, with pour layers and a waste margin.
Open calculator
Selling online
Etsy Fee Calculator
Every Etsy fee on an order, your payout and your profit, plus the price you need for a target profit.
Open calculator
All calculators
20 calculators
- Resin & epoxy Epoxy Resin Calculator Resin and hardener for table tops, river tables and molds.
- Candle making Candle Wax Calculator Wax and fragrance per container and batch.
- Candle making Fragrance Load Calculator Fragrance oil by percent of wax or of total.
- Quilting Quilt Backing Calculator Backing yardage, seams and batting size.
- Quilting Quilt Binding Calculator Binding strips, length and yardage.
- Quilting Quilt Fabric Calculator Yardage for each fabric, fat quarters and borders.
- Quilting Half-Square Triangle Calculator Cut sizes and fabric for HSTs made 2, 4 or 8 at a time.
- Quilting Quilt Size Calculator Blocks, sashing and borders to a finished quilt size.
- Crochet & knitting Yarn Calculator Yards and skeins by project, or from your swatch.
- Crochet & knitting Crochet Increase & Decrease Calculator Evenly spaced increases and decreases, plus circles.
- Crochet & knitting Knitting Gauge Calculator Stitches to cast on and rows to work, from your swatch.
- Baking Sourdough Hydration Calculator Flour, water and starter by hydration.
- Baking Baker's Percentage Calculator Scale any bread formula.
- Baking Cake Pan Size Converter Scale a recipe from one pan size or shape to another.
- Baking Yeast Converter Instant, active dry and fresh yeast in grams, teaspoons or packets.
- Baking Pizza Dough Calculator Flour, water, salt and yeast for any number of pizzas.
- Selling online Etsy Fee Calculator Fees, payout and profit per sale, for every country.
- Selling online Handmade Pricing Calculator Wholesale and retail prices from materials, time and overhead.
- Sewing Circle Skirt Calculator Waist radius, pieces and fabric for full, half and quarter circle skirts.
- Cross-stitch & embroidery Cross-Stitch Calculator Finished size, fabric to cut and floss for any Aida or evenweave.
No calculator matches “” yet.
Try a craft such as resin, quilt or yarn, or tell us what you'd like us to build next.