Plan ahead · Free calculator
Supply duration calculator
Estimate how many full doses you have left and when your supply will run out, using your own dose and frequency.
No signup required. Calculations stay in your browser unless you choose to save.
Enter a valid date.
Example values are editable. Assumes a fixed dose, no missed doses, and no preparation or device waste. Partial doses do not count as full doses. The discard date itself is excluded.