Compound Interest & Asset Simulator
Simulate asset growth from principal, monthly contributions, interest rate, and investment period
How to Use
- Enter your principal (initial investment)
- Enter your monthly contribution amount (enter 0 for no contributions)
- Enter your annual interest rate (%)
- Set your investment period using the slider or number input
- Your asset growth will be automatically displayed in a chart and table
Use Cases
- Simulate returns for savings accounts or investment accounts
- Compare fixed deposits vs. investment trusts
- Plan retirement savings
- Visualize the power of compound interest
- Plan for education or home savings
Frequently Asked Questions
What is compound interest? ▼
Compound interest is when interest is calculated not only on your principal but also on previously earned interest. Over long periods, this creates significantly larger returns compared to simple interest (where interest only applies to the principal).
Is my input data sent to a server? ▼
No, all calculations happen entirely in your browser. Your input data is never sent to any external server.
What interest rate should I enter? ▼
Investment trusts typically return 3–7% annually, while savings accounts average 0.01–0.1% per year. Refer to historical performance or your product's expected return rate.