Health Calculators
Prescription Refill Calculator
Calculate next refill date, days supply, and tablet/liquid medication duration with bidirectional field updates.
Use Refill date to solve any one of the three values: fill date, days supply, or next refill date.
Use Calculate days supply for tablets/capsules or liquids/cream. You can edit total amount, dosage, or expected duration and the remaining variable is solved automatically.
Optional expected refill date mode estimates a target refill date from counting date and supply duration.
Refill date
Fill date
Days supply
days
Next refill date
Drug type
Total number of tablets
#
Dosage
tablets/dose
Taken...
Expected supply duration
days
Always double-check the calculations, dosing information, and contraindications on the leaflet. Consult your health provider before administering any medication. This tool cannot replace a real medical consultation.