Free Calculators
Five tools, no signup
Every calculation a chandler runs by hand at the bench, made faster. Each tool is calibrated to manufacturer data, with the safe ranges baked in.
- fragrance oil calculatorFragrance Oil Calculator
Exact fragrance oil for any vessel, with IFRA caps, flash-point checks, and blends of up to three FOs.
- candle wax calculatorCandle Wax Calculator
How much wax for your candle batch, with order weight included.
- candle wick size chartCandle Wick Size Calculator and Chart
Pick the right wick for any vessel and wax, with multi-wick layouts for wide jars.
- candle cost calculatorCandle Cost Calculator
Unit cost and suggested retail for any recipe.
- candle burn time calculatorCandle Burn Time Calculator
Estimated hours of burn for any wax weight and wick.