Soap Calculator Pro

Soap Calculator – Lye & Soap Recipe Calculator

Create and calculate homemade soap recipes with a simple and practical soap calculator. Enter your oils and fats, adjust your recipe, and calculate the required lye (NaOH/KOH), water, superfat, and soap weight.

Whether you make cold process soap, hot process soap, or experiment with different oil combinations, this calculator helps you quickly work through the important recipe calculations.

🧼 Soap Recipe Calculator

Calculate soap recipes based on the oils and fats used in your formulation. Adjust quantities and review the calculated values before making your batch.

⚗️ Lye Calculator

Calculate the approximate amount of NaOH (sodium hydroxide) or KOH (potassium hydroxide) required for your selected oils and superfat percentage.

💧 Water Calculator

Calculate water requirements for your soap recipe using your selected calculation settings.

🛢️ Oil & Fat Calculator

Add commonly used soapmaking oils and fats to your recipe and enter the desired quantity for each ingredient.

📊 Recipe Information

View useful recipe calculations including:

Total oil weight
Lye amount
Water amount
Superfat percentage
Soap batch weight
Individual oil percentages
Ingredient quantities
🎯 Superfat Calculator

Choose your desired superfat percentage and see how it affects the calculated lye quantity.

📱 Simple Soapmaking Tool

Designed for soapmakers who want a convenient way to calculate and adjust recipes without doing the calculations manually.

Useful for:

Homemade soap
Cold process soap
Hot process soap
Lye soap recipes
Natural soap making
Handmade soap
Soap recipe formulation
Oil and lye calculations
Soapmaking experiments

Important: This app provides calculations for informational and formulation purposes. Always verify your recipe, ingredient specifications, lye purity, and measurements before making soap. Lye is highly caustic and can cause serious injury. Follow appropriate soapmaking safety procedures and use proper protective equipment.