Days Since for Pharmacists

Basic: ds 25/06 (or ds 2506 )
With meds: ds 25/06 60 2 (amount, per day)
With buffer: ds 25/06 60 2 9 (buffer days)

Primary calculator

Days since last dispense

Enter the last dispense date. Optional tablet amount + daily rate unlock supply estimates and early/OK logic.

Dispense date Accepts DD/MM, DD/MM/YY, DD/MM/YYYY, or compact DDMM(YY). Tablets supplied Tablets per day Early supply buffer (days)

Optional (but powerful)

Paste multiple dispense dates to see the gaps and a big visual timeline. Add quantity + tablets/day to highlight early vs OK intervals.

Dispense dates Tip: Use Ctrl/Cmd + Enter to analyze.

Quantity per dispense Tablets per day Early buffer (days) Project balance to today