Features

Dual Calculation Modes

Instantly switch between Simple and Compound interest to see the difference in returns.

Flexible Intervals

Choose from various compounding frequencies—Daily, Monthly, Quarterly, or Annually.

Visual Breakdown

See a clear graphical representation of your Principal versus the Total Interest earned.

Real-time Results

Get instant updates on your total amount and interest as you adjust the inputs.

About Interest Calculator

Master your money growth with our comprehensive Interest Calculator. Whether you are calculating returns on a savings account, checking investment growth, or understanding loan interest, this tool provides clear comparisons between Simple and Compound interest. By adjusting the principal, rate, time, and compounding frequency, you can see exactly how different factors accelerate your wealth accumulation. Formulas Used: Simple Interest: A = P(1 + rt) Compound Interest: A = P(1 + r/n)^(nt) Where: A = Final Amount P = Principal balance r = Annual interest rate (decimal) n = Number of times interest applied per time period t = Number of time periods elapsed

How to Use Interest Calculator

Enter Principal

Input the starting amount of money you are investing or depositing.

Set Interest Rate

Enter the annual interest rate (APR) as a percentage.

Define Timeline

Specify the number of years you plan to let the interest accumulate.

Select Type

Toggle between Simple Interest and Compound Interest to compare outcomes.

Adjust Frequency

For compound interest, select how often interest is added (e.g., Monthly, Annually).

Analyze Growth

Review the breakdown to see how much of your final total is free money from interest.

Interest Calculator

Inputs

Total Amount

Total Interest

Breakdown