Soaply is a free, professional-grade soap making calculator designed for everyone from first-time crafters to experienced soapmakers running small businesses.

Why We Built Soaply

Soap making requires precision. Getting your lye calculations wrong can mean a batch that is harsh on skin or one that never fully saponifies. We built Soaply because we believe every soap maker deserves access to accurate, reliable formulation tools without a steep learning curve or a hefty price tag.

What Soaply Offers

Lye Calculator

Precise NaOH, KOH, and dual-lye calculations with lye concentration method, superfat control, and water discount options.

Bar Property Predictions

See predicted hardness, cleansing, conditioning, bubbly, and creamy values for your recipe before you make it.

19 Specialty Calculators

Beyond soap: bath bombs, lip balm, body butter, lotions, candles, sugar scrubs, shampoo bars, and more.

90+ Oil Database

Comprehensive oil profiles with SAP values, fatty acid breakdowns, and property contributions.

Cost Calculator

Track ingredient costs per batch and per bar so you can price your products for profit.

Recipe Management

Save, version, tag, and rate your recipes. Share publicly or keep them private.

Community Recipe Library

Browse and learn from recipes shared by other soap makers in the community.

Batch Journal

Log every batch with notes, photos, cure dates, and outcomes to improve your craft over time.

Free vs Pro

The core Soaply calculator is completely free, with no ads and no account required. Our Pro plan adds power features like unlimited saved recipes, custom oil profiles, batch journaling, inventory tracking, PDF exports, and priority support for serious soapmakers who want to take their craft to the next level.

Educational Resources

We publish in-depth guides and tutorials on our blog, covering everything from cold process basics to advanced techniques. Our glossary defines 60+ soap making terms, and our getting started guide walks new users through every feature of the calculator.

Part of the Maker Toolkit

Soaply is part of a family of tools built for makers and crafters:

TheCraftMap helps you find craft fairs and markets near you.
WickSuite is a candle making calculator and business toolkit.

Get in Touch

Have questions, feedback, or feature requests? We would love to hear from you. Visit our support page to send us a message.

About Soaply