Patient-Centered Refill Date & Pill Count Calculator

Last fill, quantity, and doses per day — run-out date plus days early or late

Prescription date

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Mon
Tue
Wed
Thu
Fri
Sat
Last fill Runs out Today As-of

Prescription details

Results

Select a fill date, quantity, and doses per day. The run-out date and early/late variance will appear here.
Variance
Days supply
Days remaining
Next fill due
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Enter quantity remaining to compare observed pill count with expected supply.
View calculation details
Medication
Start / last fill
As-of date used
Quantity prescribed
Doses per day
Days supply (qty ÷ doses/day)
Days elapsed since start
Expected days remaining
Expected run-out date
Next fill due
Quantity remaining
Pill-count days remaining
Pill-count variance (days)
Calculated at
Bridging Rx