Candle, Soap, Resin and Craft Calculators
Mixing ratios and quantities for candle making, cold process soap, epoxy resin, essential oil blends and reed diffusers, plus gauge and pattern converters for knitting and sewing. Get the numbers right before you pour, mix or cut.
10 crafts & making tools
Essential Oil Dilution Calculator
Enter the dilution in percent and the amount of carrier oil in mL to get the essential oil in drops and in mL.
Candle Wick Size Selector
Enter the jar diameter and pick the wax (soy, paraffin, beeswax, coconut) to get the wick series and the sizes to test first.
Reed Diffuser Oil Ratio Calculator
Enter the bottle size in mL and the fragrance strength to get the amounts of fragrance oil and carrier oil for a reed diffuser.
Epoxy Resin Mixing Ratio Calculator
Enter the mix ratio of your resin (1:1, 2:1, 3:1 or any other) and the total amount in grams to get the exact amounts of resin and hardener.
Candle Wax Melt Time Calculator
Enter the candle diameter to see how long the first burn takes to reach a full melt pool, and the burn rate per hour.
Body Measurements to Clothing Pattern Converter
Enter your bust, waist and hip measurements to get sewing measurements and pattern adjustments for your body shape.
Yarn Gauge Converter for Knitting and Crochet
Your gauge differs from the pattern? Enter both gauges to get the adjusted stitch and row counts for knitting or crochet.
Soap Superfat Calculator
Enter the total oil weight and the lye you used to get the superfat percentage of your cold process soap.
Candle Wax and Fragrance Oil Calculator
Enter the container volume and the fragrance load in percent to get the exact amount of wax and fragrance oil for your candle.
Sewing Pattern Scale Converter
Enter the original and the desired pattern scale to get the percentage to print at, plus the adjusted measurement.