Soap Calculator β SoapCalc
In-app purchases
4.7star
17 reviews
Everyone
info
1K+
Downloads
About this app
Simple SoapCalc is a modern soap calculator and lye calculator designed for cold process, liquid soap, and hybrid recipes. Calculate safe lye and water amounts instantly for any soap recipe.
This soap making calculator helps you build, refine, and save soap recipes with clarity and confidence. Whether you're making cold process soap or liquid soap, Simple SoapCalc delivers accurate results without spreadsheets or guesswork.
But it does more than just lye math.
Snap a recipe photo
Import soap recipes from books, blogs, YouTube screenshots, or handwritten notes. This soap calculator reads the image and builds your recipe automatically β no manual entry required.
Refine your oil blend
Use Blend Advisor to improve any soap recipe. Get smart suggestions for stronger bars, more lather, gentler soap, or better balance. Compare variations and apply improvements with one tap.
Build with confidence
β’ Calculate accurate lye and water amounts for bar soap, liquid soap, and cream soap
β’ Build soap recipes by weight or percentage
β’ Adjust superfat, lye purity, and water-to-lye ratio
β’ View soap properties like hardness, cleansing, and conditioning
β’ Explore full fatty acid profiles for every oil
β’ Save and sync soap recipes across devices
Make Soap mode
Switch to a step-by-step workshop checklist using your exact recipe measurements when you're ready to make a batch.
Simple SoapCalc was created to make soapmaking feel calm and clear again β without clutter, spreadsheets, or guesswork.
This soap calculator is designed for beginners and experienced soapmakers who want accurate lye calculations, reliable soap recipe building, and smarter oil blending tools in one app.
Always follow proper soapmaking safety practices when handling lye.
This soap making calculator helps you build, refine, and save soap recipes with clarity and confidence. Whether you're making cold process soap or liquid soap, Simple SoapCalc delivers accurate results without spreadsheets or guesswork.
But it does more than just lye math.
Snap a recipe photo
Import soap recipes from books, blogs, YouTube screenshots, or handwritten notes. This soap calculator reads the image and builds your recipe automatically β no manual entry required.
Refine your oil blend
Use Blend Advisor to improve any soap recipe. Get smart suggestions for stronger bars, more lather, gentler soap, or better balance. Compare variations and apply improvements with one tap.
Build with confidence
β’ Calculate accurate lye and water amounts for bar soap, liquid soap, and cream soap
β’ Build soap recipes by weight or percentage
β’ Adjust superfat, lye purity, and water-to-lye ratio
β’ View soap properties like hardness, cleansing, and conditioning
β’ Explore full fatty acid profiles for every oil
β’ Save and sync soap recipes across devices
Make Soap mode
Switch to a step-by-step workshop checklist using your exact recipe measurements when you're ready to make a batch.
Simple SoapCalc was created to make soapmaking feel calm and clear again β without clutter, spreadsheets, or guesswork.
This soap calculator is designed for beginners and experienced soapmakers who want accurate lye calculations, reliable soap recipe building, and smarter oil blending tools in one app.
Always follow proper soapmaking safety practices when handling lye.
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Ratings and reviews
4.7
16 reviews
jok starkey
- Flag inappropriate
April 7, 2026
It works alright. I don't think it saves locally because the option to save isn't always there, like it relies on cloud storage. In the unlikely event that I don't have service, how would I retrieve my recipes? I can afford an SD card, and I prefer having that as a backup for the cloud, not the other way around.
Redefined Threads
April 20, 2026
Thanks for the feedback! Simple SoapCalc is local-first β once you sign in (free account), recipes save directly to your device and are always available offline. Pro adds cloud backup on top. If that's not matching what you're seeing, please email support@simplesoapcalc.com and I'll help you sort it out.
Fayola IKE
- Flag inappropriate
July 2, 2026
The BEST app for those making cp soap. I absolutely love it !
Redefined Threads
July 2, 2026
Thank you so much, Fayola! It means a lot to hear you love it. Iβm thrilled that Simple SoapCalc has been helpful for your CP soapmaking journey. Feedback like this keeps me motivated to keep improving the app, and if you ever have ideas or feature requests, Iβd love to hear them. Happy soaping!
Chinaagorom
- Flag inappropriate
June 8, 2026
good
Redefined Threads
June 8, 2026
Thank you for the review and for using Simple SoapCalc! I'm glad you're finding the app useful.
If you have any suggestions or feedback, please send them through the app. I'm always looking for ways to make Simple SoapCalc even better for soapmakers.
Thanks again for your support!
Whatβs new
NEW IN v1.14:
π§ͺ Tweaker (Beta) β Dial a property up or down, hold what's working, and watch the oil mix shift to match.
π Better recipe imports β Photo and paste now pick up milks, vinegars, and citric acid; reverse-calc water:lye and superfat.
π¬ Send Feedback β New button inside Recipe Insights and Tweaker, two taps to tell us.
π οΈ Improvements β Smoother sheets, sharper help, bug fixes and performance improvements.
π§ͺ Tweaker (Beta) β Dial a property up or down, hold what's working, and watch the oil mix shift to match.
π Better recipe imports β Photo and paste now pick up milks, vinegars, and citric acid; reverse-calc water:lye and superfat.
π¬ Send Feedback β New button inside Recipe Insights and Tweaker, two taps to tell us.
π οΈ Improvements β Smoother sheets, sharper help, bug fixes and performance improvements.
App support
About the developer
James Hogans Jr
redefinedthreadsdev@gmail.com
2201 E Lee Rd
Smyrna, GA 30080-5907
United States