Hobbies & Crafts Directory

Calculate 3D printing costs from filament usage, electricity, print time, and machine depreciation.

Estimate 3D print time from layer height, print speed, infill, and model volume.

Calculate acrylic paint and pouring medium amounts for fluid art by canvas size.

Calculate the number of beads needed for necklaces and bracelets from length and bead size.

Calculate total yarn needed for a blanket from dimensions, yarn weight, and stitch type.

Calculate fragrance oil amount from wax weight and desired scent load percentage.

Calculate wax weight needed for candle containers from container volume and wax density.

Determine the correct wick size for your candle from container diameter and wax type.

Calculate lye, water, and oil amounts for cold process soap from recipe oils and superfat.

Calculate concrete mix amount for DIY concrete planters from inner and outer mold dimensions.

Calculate dovetail pin and tail spacing from board width and joint preferences.

Calculate elastic length needed for waistbands, cuffs, and gathered items.

Calculate embroidery thread length needed from stitch count and stitch type.

Calculate fabric needed for sewing projects from pattern pieces and fabric width.

Calculate remaining filament length from spool weight and filament diameter.

Calculate required stitches and rows from gauge swatch measurements for pattern sizing.

Calculate leather piece dimensions and stitching thread length for leather projects.

Calculate cord length needed for macrame projects from finished dimensions and knot density.

Calculate track length, curve radii, and elevation for model railroad layouts.

Calculate the number of mosaic tiles needed from project area and tile size.

Calculate paint color mixing ratios to achieve target colors from primary paints.

Calculate glaze batch recipe from target volume and glaze chemistry formula.

Calculate quilt dimensions, block count, and fabric yardage from bed size.

Calculate epoxy resin and hardener volumes for casting molds from mold dimensions.

Calculate UV resin volume needed for SLA/DLP prints from model volume and supports.

Convert real-world dimensions to scale model dimensions for any scale ratio.

Calculate fragrance or essential oil amounts for soap batches from total oil weight.

Calculate yarn needed for a pair of socks from foot size and yarn weight.

Calculate glass pieces and lead came length for stained glass projects from panel dimensions.

Calculate terrarium dimensions and plant capacity from container volume and plant types.

Calculate dye amounts and water volumes for tie-dye projects from garment count and size.

Calculate wire length needed for wire-wrapped jewelry from stone size and wrap style.

Calculate wood glue quantity needed from joint area and glue spread rate.

Calculate stain quantity for woodworking projects from surface area and wood porosity.

Calculate wood blank dimensions needed for turning bowls, pens, and spindles.

Calculate how much yarn you need for a project from gauge, dimensions, and stitch pattern.

Determine the right zipper length from garment opening measurement.