**Introduction**

Calculating a 90-day supply of medications is crucial for individuals managing chronic conditions or taking prescription drugs on a long-term basis. To simplify this process, we present a user-friendly 90-Day Supply Calculator implemented in HTML and JavaScript. This calculator allows users to input relevant information and obtain an accurate estimate of their medication supply.

**How to Use**

To use the 90-Day Supply Calculator, follow these steps:

- Input the current quantity of medication you have.
- Enter the prescribed dosage per day.
- Specify the number of doses per prescription refill.
- Click the “Calculate” button to obtain the estimated 90-day supply.

**Formula**

The formula used for the calculation is:

$90-Day Supply=(Dosage per DayCurrent Quantity×Doses per Refill )×90$

This formula ensures a precise calculation, taking into account the current quantity, dosage per day, and doses per refill.

**Example**

Suppose you have 60 tablets, need 2 tablets per day, and each prescription provides 30 tablets. The calculation would be:

$90-Day Supply=(2× )×90=1350$

**FAQs**

**Q: Can I use the calculator for any type of medication?**

A: Yes, the calculator is versatile and can be used for any medication as long as you input the correct values.

**Q: Why is it important to calculate a 90-day supply?**

A: Calculating a 90-day supply helps individuals plan and manage their medication refills efficiently, ensuring they have an adequate quantity on hand.

**Q: What if my prescription dosage changes?**

A: Simply input the updated dosage into the calculator, and it will provide a new estimate based on the changed parameters.

**Conclusion**

In conclusion, the 90-Day Supply Calculator simplifies the process of estimating medication supplies for individuals with long-term prescriptions. By following the straightforward steps and using the accurate formula, users can plan ahead and ensure they always have an ample supply of their necessary medications.