Compound Interest Forecast
Forecast investment growth with compound interest: contributions, rate and years, with a yearly chart and table.
Final balance
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Total contributions
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Interest earned
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What if the rate was +1%?
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Growth chart (blue = your money, green = interest earned)
Yearly breakdown
| Year | Start balance | Contributions | Interest | End balance |
|---|
This is only a mathematical projection. It does not include taxes, fees or inflation, and it is not financial advice.
How to use
- Enter your starting amount, how much you will add each month, the expected annual interest rate and the number of years.
- Choose how often interest compounds (monthly is typical for savings accounts and funds).
- Press Calculate forecast to see the final balance, how much of it is your own contributions, and how much is interest.
- The stacked chart shows blue bars for your contributions and green bars for interest earned, so you can see compounding take over.
- Check the what-if row to see what a 1% higher rate would do to the same plan.