Precise lye calculations, full fatty acid profiling, batch costing and recipe library — everything a serious soapmaker needs.
No credit card required. £14.99 one-time for full access.
Built for soapmakers who take their craft seriously.
NaOH & KOH with superfat, water ratio, and lye concentration control.
Full breakdown across 6 fatty acids — hardness, cleansing, conditioning visualised.
Instant quality rating with ideal range bars for every metric.
Enter per-kg oil prices and get total cost, cost per bar, and suggested retail.
Save unlimited recipes to your account. Export to TXT or CSV any time.
25 oils with SAP values, fatty acid profiles and usage notes.
One payment. Yours forever.
Try with 1 free recipe. No card needed.
"I've been making soap for 8 years and this is the first calculator that shows me the full picture."
"The fatty acid chart alone is worth it. Completely changed how I think about my oil blends."
"Used three different calculators before this. None had batch costing. Game changer."