Free online simple soap calculator for soap making. It calculates lye/sodium hydroxide for soap formulation to help soap making
How to use a lye/soap calculator?
This calculator is simple, you can use it as follows
- Start typing your oil of fat name and it will display a list containing all fats contain your letters
- Select the required oils and fats
- Fill in the needed weight of each one
- select weight unit
- Press calculate button
- That is all; you will get the required lye and water quantities
Feedback and comments about Simple Soap Calculator
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Useful links
Saponification table: Lye needs for oils, fats & additives
Other online soap calculators

- Arabic version of this article
- soapcalc.net
- brambleberry.com
- thesoapcalculator.com
- soapee.com
- Russian mama-mila.ru
- Arabic tijaratuna.com
- facebook.com