Calculate
your craft.
Free calculators for candle makers.
Stop guessing — start making.
Our Calculators
All free. All accurate. Built by makers, for makers.
- candles
Candle Wax Calculator
Figure out exactly how much wax you need for any batch size.
- candles
Fragrance Load Calculator
Calculate how much fragrance oil to add for your wax type.
- candles
Candle Wick Size Calculator
Find the right wick diameter for your container and wax.
- candles
Candle Batch Size Calculator
Find out how many candles your supplies will make — or how much to buy for your next batch.
- candles
Candle Pricing Calculator
Price your candles to cover costs and turn a real profit.
- candles
Candle Burn Time Calculator
Estimate how long your candle will burn based on size and wax.
- candles
Candle Dye Calculator
Get consistent candle colors every batch — no guesswork.
- candles
Wax Melt Fragrance Calculator
Fragrance oil for wax melts — defaults to the higher 8–12% melt range.
- candles
Essential Oil Candle Calculator
How much essential oil to add to candle wax, and why EO throw differs.
- candles
Candle Scent Calculator
Pick light, medium, or strong and get the fragrance weight for that scent strength.
- candles
Soy Wax Fragrance Calculator
Fragrance load for GB464 & soy blends, with soy cure times and add temps.
- candles
Fragrance Oil Percentage Calculator
Check the fragrance load % of an existing candle recipe by weight.