Interest Calculator (SI & CI)
How to Use
- Enter the principal amount (the initial investment or loan).
- Enter the annual interest rate in percentage.
- Enter the time period in years.
- Select either Simple Interest (SI) or Compound Interest (CI).
- Click “Calculate” to see the interest earned and total amount.
FAQs
Q: What is Simple Interest (SI)?
A: SI = Principal × Rate × Time / 100. It’s calculated only on the principal amount.
Q: What is Compound Interest (CI)?
A: CI is calculated on the principal and accumulated interest. Formula: A = P × (1 + R/100)^T
Q: Can I use decimal values?
A: Yes, decimal values for principal, rate, and time are supported.
Q: Is my data stored?
A: No, all calculations happen locally in your browser. Your data is not stored or sent online.