All tools
The soap tools, the cosmetics that share their chemistry, and what you need the day you start selling.
Soap
Lye calculator NaOH, KOH or dual lye, water three ways, additives, fragrance, mould sizing — every number explained Open the calculator Import a recipe Paste from another calculator, a spreadsheet or a forum post and see exactly what was read
Soap mould calculator How much oil fills a loaf, cylinder or cavity mould, from your recipe’s lye and water
Water to lye ratio calculator Lye concentration, water : lye ratio and water as a % of oils, converted, with master batch amounts
Liquid soap calculator Potassium hydroxide, paste water and dilution for a liquid soap, from the oils
Liquid soap dilution Water to add to a potassium soap paste for the concentration you want
Transparent soap calculator The alcohol, glycerin and sugar for a clear soap, at Failor’s 60/40 and 50/50
Beyond the bar
Bath bombs The reaction’s own ratio, the fizz it makes, and how many bombs
Candles & melts Wax for your vessels, and what "10 % fragrance load" actually means
Lip balms & salves Wax, butter and oil against the band your format is written at
Lotions & creams Phases, q.s. to 100 %, usage rates, and the HLB your oils actually need
HLB calculator The required HLB of your oil phase, and the ratio of two emulsifiers that meets it
Syndet & shampoo bars What your surfactants add up to once each is counted at its real strength
Melt and pour How much base fills a mould once fragrance and additions take their share, and the sums for a rebatch
When you start selling
Label maker A soap or cosmetic label with every particular the EU, Great Britain, the US, Canada or Australia asks for, checked against the rule
Cost and price What a batch costs, what one bar costs, and what your price earns, as margin and as markup
Fragrance & allergen check IFRA load by product type and EU/Canada allergen declarations from supplier sheets
Stock and inventory Deliveries in, batches out, and every lot traced
Safety dossier The Part A file a safety assessor asks for, from a saved recipe
Regulatory calendar The dates that change what a label has to say
Reference
Oil & butter reference Saponification values, iodine, fatty acids — as published ranges with the source on every row
Compare oils Up to six oils side by side, their fatty acids as bars, and a blend of them to try
Recipe database Soap formulations by what they are for, each one computed
Formulas & sources The exact equations behind every result, with citations