**Introduction**

Calculating 3-month CD rates can be crucial for financial planning. This article provides a simple yet accurate calculator using HTML and JavaScript. Follow the guide to understand its usage, the formula behind it, and see examples.

**How to Use**

- Enter the principal amount in the designated input field.
- Input the annual interest rate offered by the CD.
- Submit the form by clicking the “Calculate” button.
- View the result for the estimated 3-month CD rates.

**Formula**

The formula to calculate 3-month CD rates is:

$Interest Earned=(×Principal×Annual Interest Rate )$

**Example**

Let’s say you have a CD with a principal of $10,000 and an annual interest rate of 3%. The calculation would be:

\text{Interest Earned} = \left( \frac{10,000 \times 3}{4 \times 100} \right) = $75

**FAQs**

**Q1: What is a 3-month CD rate?**

A1: A 3-month CD rate is the interest earned on a Certificate of Deposit (CD) over a three-month period.

**Q2: Why use a 3-month CD rates calculator?**

A2: The calculator helps estimate earnings for short-term investments, aiding in financial decision-making.

**Q3: Can the calculator be used for different currencies?**

A3: Yes, as long as the principal and interest rate are in the same currency.

**Conclusion**

This calculator simplifies the process of estimating 3-month CD rates. It is a valuable tool for individuals looking to make informed financial decisions regarding short-term investments.