Question 1

How do I calculate simple interest?

Accepted Answer

Simple interest is calculated using the formula: Interest = Principal × Rate × Time. Enter your principal amount, interest rate (% per year), and duration to get instant results.

Question 2

What is the difference between simple and compound interest?

Accepted Answer

Simple interest is calculated only on the principal amount, while compound interest is calculated on both the principal and previously earned interest, resulting in higher returns over time.

Question 3

Can I calculate interest for partial years?

Accepted Answer

Yes, you can enter duration in years, months, and days, or use the date picker to select specific start and end dates for precise calculations.

Question 4

Is this calculator free to use?

Accepted Answer

Yes, this interest calculator is completely free to use with no registration required. It supports multiple languages and works on all devices.

Interest Calculator Form