The perfume formula calculator built for real perfumers.
Scale any formula to any batch size in grams. Convert between dilutions automatically. Catch IFRA limit issues before you weigh. Free forever, in your browser.
No credit card · Free forever
Enter 10 g or 10 kg and every ingredient is recalculated to the gram, including the diluent.
Store materials at 10%, 1% or neat the calculator converts to the working dilution you have on the bench.
See active percentage of each material in the concentrate and the final EDP / EDT in real time.
Set a max % per material; the calculator flags any formula that breaches the limit before you produce.
Every calculation is also a saved formula you can re-open, version, batch and produce later.
Replaces the Excel sheet most hobby perfumers fight with. Works on phone and desktop.
How the calculator works
- 01Add your raw materials
Name, supplier, dilution and (optional) IFRA Cat 4 limit. Once entered, materials are reusable across every formula.
- 02Build a formula in drops or %
Type the active percentage you want for each ingredient. The calculator does the dilution math for you.
- 03Set a batch size and weigh
Enter the total grams you want to produce. The calculator gives you a weigh-list in grams of the diluted stock you actually have on the bench.
Frequently asked
Try the calculator now
Free account, all features included. Your formulas stay yours.