Soap Making Calculator
Calculate precise lye and water amounts for cold process soap
Recipe Settings
Soap Type
Bar Soap (NaOH)
Liquid Soap (KOH)
Water Ratio
2:1 (Normal)
1.5:1 (Harder)
Superfat Percentage
5%
Oils & Fats
No oils added yet. Add oils below to begin.
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Grams
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Your Recipe
Lye Needed
0
g
Water Needed
0
g
Total Oils
0
g
Batch Weight
0
g
Recipe Breakdown
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Safety Reminder
Always add lye to water, never water to lye. Wear protective gloves and eyewear when handling lye. Work in a well-ventilated area.