Crafts
Free crafting calculators: knitting yarn, candle making, soap making, and more.
Candle Making Calculator
Calculate how much wax, fragrance oil, and wick size you need for your candle. Supports soy, paraffin, and beeswax.
Knitting Yarn Calculator
Calculate how much yarn you need for your knitting project. Get skeins needed and total yardage for scarves, sweaters, blankets, hats, and socks.
Soap Making Calculator
Calculate lye and water amounts for cold process soap making. Enter oil weight, lye concentration, and superfat percentage.