Soap Recipe Calculator

Calculate lye and water amounts for cold process soap from your oil recipe. Supports NaOH (bar) and KOH (liquid) with superfat percentage and SAP values.

Lye Type

Recipe Settings

Superfat: 5.0%

Typical: 3-7%

Water:Lye Ratio

Default: 2.0

Oils & Butters

Coconut Oil

Olive Oil

Palm Oil

Shea Butter

Lye Required

NaOH

80.2g

Water

160.4ml

Batch Summary

Total Oils & Butters800.0g

NaOH80.2g

Water160.4ml

Total Batch Weight1040.6g

Superfat5%

Oil Breakdown

Coconut Oil200g (25.0%)

Olive Oil300g (37.5%)

Palm Oil200g (25.0%)

Shea Butter100g (12.5%)

Lye Safety

Lye is caustic and dangerous. Always wear gloves, eye protection, and work in a well-ventilated area. Never add water to lye; always add lye to water. Keep away from children and pets. For detailed instructions and safety protocols, consult experienced soaping resources.

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