Candle & Soap Calculator

Candle & Soap Calculator requires a single one-time in-app purchase to unlock both calculators. Pay once, yours forever — no subscription, no ads.

The simple calculator for soap and candle makers.

SOAP CALCULATOR
- Enter your oils by weight — get exact lye (NaOH for bars, KOH for liquid).
- Adjust superfat and water; see the full batch weight instantly.
- 16 common oils with built-in SAP values (olive, coconut, palm, shea, castor and more).

CANDLE CALCULATOR
- Enter container size and how many you're pouring — get the wax you need.
- Set your fragrance load (6–10%) — get the exact fragrance oil weight.
- Scales to any batch.

WHAT'S INCLUDED
- Both calculators unlock together with one in-app purchase.
- No subscription, no ads, fully offline.
- Your numbers never leave your phone.

Always double-check lye amounts and wear protection when working with sodium hydroxide.

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