Candles & Soap Tools
Wax weights, fragrance loads and burn times — starting with why an 8 oz jar does not hold 8 oz of wax.
Candle Wax Weight Calculator
How much wax a jar actually takes by weight, and why an 8 oz jar holds under seven ounces of it.
Fragrance Load CalculatorWax and fragrance for a jar at any load — the load is a share of the wax, so adding it afterwards overflows.
Candle Burn Time CalculatorBurn hours from your own measured rate — and why a candle four times the mass burns for exactly the same time.