Free tool
Candle making calculator
Work out exactly how much wax and fragrance oil you need for a pour — per candle and for the whole batch. Pick your wax, set your fragrance load, and get weights in grams and ounces. Free, no sign-up.
Wax (batch)
2,261 g
79.7 oz · 4.98 lb
Fragrance (batch)
181 g
6.4 oz
Wax per candle
188.4 g
6.65 oz
Fragrance per candle
15.1 g
0.53 oz
This is one tool inside WaxLogic
WaxLogic turns this math into planned batches, deducts materials from your stock when you pour, and works out what every candle costs you, straight from your live recipes. Try it free for 7 days — no card needed.
Start free trialHow the math works
We multiply your vessel's water capacity by the wax's fill density (for example, soy at 0.86 g/ml) to get the total fill weight, then split it into wax and fragrance oil using your fragrance load. A 8 fl oz vessel with soy at 8% load needs about 188.4 g of wax and 15.1 g of fragrance oil per candle.
Tip: measure your vessel's true water capacity by filling it with water on a scale — 1 g of water = 1 ml.