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Recipe Calculator

Crafting precision for artisanal soap makers.

Safety disclaimer required

Alchemy requires caution. Outputs are informational only and may be inaccurate. Always verify units, oil weights, SAP/KOH purity, and superfat/water settings. Use proper PPE and safe lye-handling practices. Test small batches before scaling. You are responsible for safe use and compliance; the app assumes no liability. Read our Safety Guide.

Recipe Setup

Core lye, water, and batch parameters.

LOCKED: Total is fixed. Editing an ingredient weight updates its percentage relative to this total.
Water Calculation

Oils & Ingredients

Define your oil blend with percentages or weights.

Oil / Fat%Weightg
Total Blend100.0%500.0g
Fragrance Blend
Total: 16.000 g / Target: 16.000 g
Add essential oils or custom fragrance compositions.
Additives & Superfat
Add essential oils, botanicals, or clays to your masterpiece.

Results

Calculated recipe amounts and costs.

Alchemy requires caution. Outputs are informational only and may be inaccurate. Always verify units, oil weights, SAP/KOH purity, and superfat/water settings. Use proper PPE and safe lye-handling practices. Test small batches before scaling. You are responsible for safe use and compliance; the app assumes no liability. Read our Safety Guide.

Water Amount
190g
NAOH Lye
71.216g
Total Oils
500g
Fragrance
16g
Master Batch
777.216g
Batch Cost$0.76
Per Bar$0.08

Soap Qualities

Quality metrics from oil fatty-acid profiles.

Soap PropertyIdeal RangeYour Recipe
Hardness
295445.7
Cleansing
122217.15
Conditioning
446950.8
Bubbly
144617.15
Creamy
164828.55
Iodine
417053.45
INS
136165159.25
Saturated : Unsaturated Ratio45.7 : 50.8

Fatty Acid Profile

Weighted fatty-acid breakdown for your oil blend.

Lauric
12%
Myristic
5.15%
Palmitic
24.75%
Stearic
3.8%
Ricinoleic
0%
Oleic
41.75%
Linoleic
8.7%
Linolenic
0.35%

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Recipes saved in localStorage.