The formula
Price paid ÷ confirmed uses
If a product cost $36 and you used it 12 times, its current cost per use is $3. Ten imagined future uses do not lower today's number; only real uses do.
Free makeup cost per use calculator
Use a simple number to understand your collection—not to pressure yourself into using an uncomfortable or unsuitable product.
Your current number
A lower number cannot make irritation, discomfort, or a failed formula worth using. Stop when safety or comfort says stop.
The formula
If a product cost $36 and you used it 12 times, its current cost per use is $3. Ten imagined future uses do not lower today's number; only real uses do.
The important limit
A product can be inexpensive per use and still fail in your routine. Another can be rarely used but valuable for a specific event. Pair the number with actual comfort, performance, and repeat intent.
Questions
Divide the price you actually paid by the number of times you have really used the product. Do not count planned future uses as completed uses.
No. Cost per use measures use against price. It does not measure comfort, safety, formula fit, shade fit, or how the product performs with the rest of a routine.
No. The calculation runs in your browser and does not require a product name, account, or upload.
Beyond one number