All Calculators
Free, accurate tools for candle, incense, bath and herbal makers. Stop guessing. Start making.
Candles
Candle guides →- candles
Candle Wax Calculator
Figure out exactly how much wax you need for any batch size.
Open → - candles
Fragrance Load Calculator
Calculate how much fragrance oil to add for your wax type.
Open → - candles
Candle Wick Size Calculator
Find the right wick diameter for your container and wax.
Open → - candles
Candle Batch Size Calculator
Find out how many candles your supplies will make, or how much to buy for your next batch.
Open → - candles
Candle Pricing Calculator
Price your candles to cover costs and turn a real profit.
Open → - candles
Candle Burn Time Calculator
Estimate how long your candle will burn based on size and wax.
Open → - candles
Candle Dye Calculator
Get consistent candle colors every batch, with no guesswork.
Open → - candles
Wax Melt Fragrance Calculator
Fragrance oil for wax melts, with the higher 8–12% melt range as the default.
Open → - candles
Essential Oil Candle Calculator
How much essential oil to add to candle wax, and why EO throw differs.
Open → - candles
Candle Scent Calculator
Pick light, medium, or strong and get the fragrance weight for that scent strength.
Open → - candles
Soy Wax Fragrance Calculator
Fragrance load for GB464 & soy blends, with soy cure times and add temps.
Open → - candles
Fragrance Oil Percentage Calculator
Check the fragrance load % of an existing candle recipe by weight.
Open → - candles
Candle Wick Spacing Calculator
Where to place multiple wicks: spacing, distance from center, and a top-down diagram.
Open → - candles
Wax Melt Pricing Calculator
Real cost per clamshell, then wholesale, retail and profit per unit.
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Home fragrance
Home fragrance guides →Bath & body
Bath and body guides →- bath & body
Bath Bomb Recipe by Weight
Scale a 2:1 bath bomb recipe by weight: every ingredient, per batch and per bomb.
Open → - bath & body
Body Butter Ratio Calculator
Whipped body butter by weight at 60:40 butters to oils, with each butter and oil worked out.
Open → - bath & body
Lotion Bar Ratio Calculator
1:1:1 beeswax, butter and oil by weight, with a hardness check and a vegan candelilla option.
Open → - bath & body
Shower Steamer Calculator
3:1 baking soda to citric acid by weight, with menthol and essential oil at your supplier’s usage rate.
Open → - bath & body
Sugar & Salt Scrub Calculator
2:1 sugar or salt to oil by weight, per jar and per batch.
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