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The only international non-profit trade association promoting the benefits of handcrafted soaps and giving a voice to the handcrafted soapmaker.

Welcome New Members!

#4387 - Gail Weber

#4386 - Rosemarie Cunfer
Sugarloaf Soaps

#4385 - Alesha Gulserian

#4384 - Sherry Harrison
Lightning Bug, LLC

#4383 - Melanie McCullough
Herbal Natures

#4382 - Trisha Moseley
Heads Up . Eyes Open. Inc.

#4381 - Tammy Prestien
Avani,LLC

#4380 - Stephanie Roudabush
Theraganics

#4379 - Marcella Sandiford
Royal Heritage

#4378 - Sarah Villafranco
Osmia Organics, LLC

#4377 - Meida Ollivierra
Meida's Gourmet Aromatics

#4375 - Amanda Konieczny
Veve's Handmade

We welcome your comments or suggestions.

Lye Calculator

Recipe Specifications

Recipe Name
Your Notes or Comments:
Unit Measurement	All numbers entered below will be calculated based on this unit of measurement. Grams Ounces Pounds
Calculation Method	Total Amount of Oils Used By Percentage of Oils Total Batch Size:
Lye Type	Sodium Hydroxide (NaOH) Potassium Hydroxide (KOH)

Oils, Fats and Butters

Note: Manufactured butters and oils (such as "avocado butter," "coffee butter" or "aloe vera oil") are not included on this list as they are blended products created by combining two or more oils. To accurately calculate the lye required to saponify such manufactured products you must either enter in the amounts specific ingredients (which you should be able to get from the manufacturer), or get the actual SAP value from the manufacturer and use an oil with a comparable SAP value.

All amounts below will be calculated based on the "Unit of Measurement" entered above (unless you are calculating by percentages, in which case it will be the percentage of the total amount entered above).

Oil	SAP Range*	SAP Value
Almond Oil, Sweet	188 to 200	194
Apricot Kernel Oil	185 to 199	192
Avocado Oil	177 to 198	187.5
Babassu Palm Oil	245 to 256	250.5
Beeswax	87 to 104	95.5
Borage Oil	189 to 192	190.5
Brazil Nut Oil	192 to 202	197
Butterfat	210 to 232	221
Canola Oil (low erucic)	182 to 193	187.5
Cashew Nut Oil	180 to 196	188
Castor Oil	176 to 187	181.5
Cherry Kernel Oil	190 to 198	194
Cocoa Butter	192 to 200	196
Coconut Oil	248 to 265	256.5
Cod Liver Oil	180 to 192	186
Corn Oil	187 to 195	191
Cottonseed Oil	189 to 198	193.5
Emu Oil	175 to 210	192.5
Evening Primrose Oil	193 to 198	195.5
Ghee Butter (Buffalo Milk)	225 to 235	230
Goose Fat	193 to 198	195.5
Grape Seed Oil	188 to 194	191
Hempseed Oil	190 to 195	192.5
Horse Fat	195 to 199	197
Illipe Butter	188 to 207	197.5
JoJoba Oil (golden, unrefined)	88 to 96	92
Jojoba Oil (lite, refined)	88 to 96	92
Kokum Butter	192 to 192	192
Lard	192 to 203	197.5
Linseed Oil	188 to 196	192
Linseed Oil (low linolenic)	185 to 185	185
Mango Seed Oil	188 to 195	191.5
Meadowfoam Seed Oil	168 to 168	168
Mowrah Butter	188 to 200	194
Neem Oil	195 to 204	199.5
Neetsfoot Oil	192 to 198	195
Niger Seed Oil	188 to 193	190.5
Olive Oil	184 to 196	190
Olive Oil (pomace)	182 to 193	187.5
Olive Oil (refined)	184 to 196	190
Olive Oil (virgin)	184 to 196	190
Palm Kernel Oil	230 to 254	242
Palm Oil	190 to 209	199.5
Palm Olein	194 to 202	198
Palm Stearin	193 to 205	199
Papaya Seed Oil	185 to 199	192
Peach Kernel Oil	189 to 194	191.5
Peanut Oil	187 to 196	191.5
Pecan Nut Oil	190 to 198	194
Pine Nut Oil	193 to 197	195
Pistachio Nut Oil	189 to 195	192
Plum Kernal Oil	180 to 195	187.5
Poppyseed Oil	188 to 196	192
Pumpkin Seed Oil	174 to 203	188.5
Rapeseed Oil (low erucic)	182 to 193	187.5
Rapeseed Oil (unhybridized)	168 to 181	174.5
Rice Bran Oil	181 to 189	185
Safflower Oil (high linoleic)	186 to 198	192
Safflower Oil (high oleic)	186 to 194	190
Sesame Seed Oil	187 to 195	191
Sheanut Butter	178 to 198	188
Soybean Oil	189 to 195	192
Sunflower Seed Oil	188 to 194	191
Sunflower Seed Oil (high oleic)	182 to 194	188
Sunflower Seed Oil (mid-oleic)	190 to 191	190.5
Tall Oil	154 to 180	167
Tallow (beef)	190 to 200	195
Walnut Oil	189 to 197	193
Wheat Germ Oil	179 to 217	198

* Saponification Values

Note that the official SAP Value for an oil is always expressed as the number of grams of KOH necessary to saponify 1000 grams of oil. All SAP Values used in the HSMG Lye Calculator are shown that way; however the calculations convert to the correct amount of NaOH when that is the form of lye selected.

Thanks to the American Oil Chemists; Society (AOCS) for granting us permission to use their information for SAP values for the majority of the oils used in this lye calculator. SAP value information was also obtained from the Internaional Jojoba Export Council (jojoba oils), the Joint FAO/WHO Expert Committee on Food Additives (beeswax) and the Codex Alimentarius Commission (olive oils and some food vegetable oils).

Disclaimer: The Handcrafted Soapmakers Guild, Inc. is providing this lye calculator to soapmakers free of charge. Every effort has been made to ensure that the SAP values used herein are accurate. However, even in the best case, the SAP values provided by reputable sources are acceptable ranges for each oil. The actual SAP value being used in the calculations is the average of the highest and the lowest acceptable level for an oil and is generally considered the norm for calculating the lye necessary for soap. That all being said, the HSMG is not responsible for any injuries, losses or other damages that may result from using the information provided herein.