Wick & Weigh

Slow, careful candle making

Measure gently.
Pour once.

Free, quiet calculators for wax, fragrance, wicks, labels and pricing. Weigh first, breathe, and let the numbers do the worrying. Every number shows where it comes from.

Start with one jarPlan a pour day
A pale blue soy candle beside a box of matches and dried flowers
Photo: Hanna Balan on Unsplash

One breath

Wax and oil for a single jar

Tell the calculator the fill weight and the fragrance load. It splits the jar into wax and oil and shows the working, so you can check it against your own supplier.

Open the wax calculator

Pour sheet · one candle

Wax191 g 6.74 oz
Fragrance oil15 g 0.54 oz
Fill weight per candle
206 g 7.28 oz
Load
8% of wax (= 7.4% of the candle)
Net weight for the label
Net Wt. 7.2 oz (206 g)

8% of wax is within every published maximum for GB 464 (9–10%).

Water to your wax line weighed 240 g 8.47 oz. × 0.86 = fill weight.

12 calm tools

Each one does a single job, explains itself, and lists the sources it checked.

Candle Wax CalculatorWax and fragrance for one jar or a batch, from water weight, jar size or a known fill.MakePour Day PlannerMixed jars, tins and melts in one batch, split into pitcher loads, with a printable pour sheet.MakeFragrance Load CalculatorOil for your wax, both meanings of “10%”, and a check against your wax’s limit.MakeWax Melt CalculatorWax and oil for clamshells and melt molds, and how many melts a pound makes.MakeCandle Dye CalculatorDrops of liquid dye or blocks for your batch, by shade.MakePillar and Mold CalculatorWax for pillar, votive, square and sphere molds from their size.MakeWick Test PlannerA starting wick for your wax and jar, the two sizes to test beside it, and a printable burn log.MakeCandle Cost and Price CalculatorTrue cost per candle, Etsy or Shopify fees, and the price that hits your margin.SellCandle Label Net Weight CalculatorThe net weight line for your label in ounces and grams, and the minimum type size.SellCandle Shipping Weight CalculatorPacked weight for an order and the USPS Ground Advantage tier it lands in.SellCandle Wax Specs ComparedMax fragrance load and pour temperature for popular waxes, as each supplier publishes them.FixCandle TroubleshooterPick what went wrong and see the likely causes and fixes.Fix

Sources on every page

Each calculator lists the supplier pages, spec sheets or regulations its numbers come from. How we check them.

Disagreements shown

Four shops, four limits for the same wax? The wax specs table puts them side by side instead of picking one.

Made for selling, too

Net weight labels, Etsy fees and postage tiers, the math that turns a hobby into a shop.

Slow reading

All guides

Add-oil and pour temperatures for popular candle waxesThe temperatures suppliers publish for GB 464, 444, 454, C-3, IGI 6006, 4630 and 4627, where they disagree, and what each temperature step is for.Why your 8 oz jar holds about 6.4 oz of candleFluid ounces measure space and ounces measure weight. Here is how the two meet in a candle jar, and the one-minute water test that settles it.Fragrance load, explained without the arguingWhat “10% fragrance” actually means, why two calculators can give you different oil amounts for the same number, and how to choose a load to test.