Clay Shrinkage Calculator

Wet-to-fired size, the wet size needed for a target fired size, or the shrinkage rate from two measurements.

Buying the right amount before starting: how many skeins a jumper needs, how much wax fills the moulds you own, how much resin a bezel takes, how much fabric a quilt binding eats.

Sizing from the pattern's yarn rather than your own. Two yarns sold as the same weight can differ by a fifth in metres per hundred grams, and a hook or needle size converted between systems is a nominal diameter, not a promise about gauge — knit a swatch.

They sit next to each other but answer different questions: Beading Pattern Calculator is the one to open when you need it to total beads and finished size for a loom or peyote pattern from rows, columns and bead size. Pick whichever matches what you're starting from — both are free.

Candle Wax Calculator is the closest one after this: Turn a container's volume into the wax weight and fragrance oil you actually need, for soy, paraffin, coconut, beeswax, palm or a blend — in oz, grams and pounds.

Crochet Hook Size Converter and Cross-Stitch Floss Calculator — they come up in the same task often enough to be worth a second tab.

Hook and needle equivalences follow the Craft Yarn Council's metric table; the soap calculator uses published saponification values, which vary by oil batch, so the lye figure is a starting point that a superfat margin is meant to absorb.