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Getting StartedFree Soap Making Calculator - Lye, Water & Recipe Properties
⚙️ Settings
5%
38%
0%
0% of oils
🫒 Oils & Butters
g✓ 100%
%500.0 g
%250.0 g
%200.0 g
%50.0 g
Total Oil Weight:1000.0 g
🧪 Additives
No additives yet. Click "+ Add" to include clay, sodium lactate, colorants, and more.
💡 Standard usage rate is 0.5 oz per pound of oils for fragrance oils, and 0.4-0.6 oz for essential oils. Some EOs like cinnamon and clove should be used at lower rates (0.2 oz) due to skin sensitivity.
oz/lb
Amount:31.3 g
% of oils:3.1%
g/kg:31 g/kg
⚠️ Always check individual fragrance/EO safety data sheets (SDS) for maximum usage rates. Some fragrances may accelerate trace or discolor. Essential oils vary in strength—start low and test.
📊 Recipe Results
Sodium Hydroxide (NaOH)
141.4 g
Distilled Water
380.0 g
Total Batch Weight
1521.4 g
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🧼 Soap Recipe
March 28, 2026Lye Solution
Sodium Hydroxide (NaOH)141.4 g
Distilled Water380.0 g
Total Batch Weight1521.4 g
Settings
Type: Bar (NaOH)
Superfat: 5%
Lye Conc: 33%
Bar Properties
Hardness
38
Cleansing
17
Condition
54
Bubbly
21
Creamy
26
Iodine
60
INS
151
Sat:Unsat
38:58
Oils & Butters
| Oil | Amount | % |
|---|---|---|
| Olive Oil | 500.0 g | 50% |
| Coconut Oil (76°) | 250.0 g | 25% |
| Palm Oil | 200.0 g | 20% |
| Castor Oil | 50.0 g | 5% |
| Total Oils | 1000.0 g | 100% |
Fatty Acid Profile
Lauric12%
Myristic5%
Palmitic18%
Stearic3%
Ricinoleic5%
Oleic45%
Linoleic9%
Linolenic1%
Batch Notes
Date made: ______________ Cure date: ______________
🎯 Bar Properties
Hardness
38
Cleansing
17
Conditioning
54
Bubbly
21
Creamy
26
Iodine Value60
INS Value151
↳ INS in ideal range (136-170). Recipe should trace and cure well. Target: 160.
Green zones on bars show recommended ranges (29-54 hardness, 12-22 cleansing, etc.)
⚖️ Sat : Unsat
38 : 58SaturatedUnsaturated
lauric
12%
myristic
5%
palmitic
18%
stearic
3%
ricinoleic
5%
oleic
45%
linoleic
9%
linolenic
1%