Soap Calculator

Lye Calculator

How to use this Calculator :

1. Enter Recipe Name and Date
2. Select Lye Button NaOH (Sodium Hydroxide) or KOH (Potassium Hydroxide)
3. Enter Lye Discount/Superfat figure. 5% default
4. Select Weight units button
5. Enter Water as percentage of total oil weight 38% default
6. Enter weights for the oils included in your recipe, all using the same weight units i.e. all grams or all ounces
7. Click "Calculate Lye by Weight" Button
8. Recipe including percentages will be displayed in the Notes area at the bottom of the page.
    Enter any notes or explanations into the Notes box then copy and paste elsewhere or select text in Notes box and "Print, Selected"

Recipe Name     Date

Select Lye   NaOH
 KOH
Lye Discount/Superfat %   (Default 5% Recommended 3-8%)
Select Units  grams
 ounces
 pounds
Water % of Oils Total Weight (Default 38% for beginners)
 
Oil Name Oil Weight Sap. No. (NaOH) Sap. No. (KOH) Discounted
Lye Weight
Almond Butter0.09800.1390 
Almond Oil, Sweet0.13700.1930 
Aloe Vera Butter0.17600.2470 
Apricot Kernel Oil0.13500.1890 
Avocado Butter0.13200.1860 
Avocado Oil0.13200.1860 
Beeswax0.06700.0950 
Black Cumin Seed Oil0.13700.1930 
Borage Oil0.13000.1840 
Brazil Nut Oil0.13800.1950 
Broccoli Seed Oil0.12100.1700 
Calendula Oil0.13400.1880 
Canola Oil0.12400.1740 
Castor Oil0.12700.1790 
Chicken Fat0.13900.1950 
Cocoa Butter0.13600.1920 
Coconut Oil (76, 92 deg)0.18000.2550 
Coconut Oil, Fractionated0.23400.3290 
Corn Oil0.13700.1920 
Cottonseed Oil0.13700.1920 
Coffee Bean Oil, Green0.13200.1850 
Coffee Bean Oil, Roasted0.12800.1800 
Dripping, Beef Tallow0.14000.1960 
Emu Oil0.13500.1910 
Evening Primrose Oil0.13200.1860 
Flax Seed Oil, Linseed0.13500.1900 
Grapeseed Oil0.13400.1880 
Hazelnut Oil0.13400.1880 
Hemp Seed Oil0.13500.1910 
Jojoba Oil0.06600.0920 
Lanolin Oil0.07000.0990 
Lard, Pig Tallow0.14100.1980 
Linseed Oil, Flax0.13500.1900 
Macadamia Nut Oil0.13700.1930 
Mango Seed Butter0.13400.1890 
Mango Oil (Olein)0.13200.1860 
Mustard Oil0.12200.1720 
Neem Oil0.13400.1880 
Olive Oil0.13400.1880 
Palm Kernel Oil0.15600.2190 
Palm Oil0.14000.1970 
Peanut Oil0.13600.1900 
Poppy Seed OIl0.13800.1940 
Pumpkin Seed Oil0.13400.1890 
Safflower Oil0.13500.1900 
Sesame Oil0.13500.1910 
Shea Butter0.12800.1790 
Soybean Oil0.13500.1890 
Stearic Acid0.14400.1990 
Sunflower Seed Oil0.13400.1890 
Tallow, Beef (Dripping)0.14000.1960 
Tallow, Pig (Lard)0.14100.1980 
Tallow, Sheep0.13800.1940 
Walnut Oil0.13600.1920 
Wheatgerm Oil0.13500.1900 

 

      

Lye Name     Total Oil Weight    
Lye Concentration     Total Lye Weight    
Water : Lye Ratio     Total Water Weight