Free Calculators
Every candle number, worked out for you.
Five bench calculators plus the full Recipe Builder. Calibrated to manufacturer data, with safe fragrance loads and wick ranges baked in. Free, no signup.
- Waxes
- 35
- Fragrances
- 95
- Wicks
- 141
- Standards cited
- 20
Featured. Full recipe tool
Candle Recipe Builder
Pick wax, wick, vessel and fragrance. The Waxverse Score flags compatibility issues before you pour. Combines every calculator below into one recipe.
- 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 & Pricing Calculator
Know your true cost. Set a price you can defend. See profit per candle, batch and month.
- candle burn time calculatorCandle Burn Time Calculator
Estimated hours of burn for any wax weight and wick.