Use this free finance calculator as a what-if money projection for starting balance, monthly deposits, annual rate, and time.
$2,000 plus $150.00/mo at 5%
This is a what-if projection, not financial advice or a guaranteed return. Taxes, fees, inflation, withdrawals, changing rates, losses, and account rules can move the real result.
Run a quick future-balance estimate before choosing a specialized tool.
See how monthly deposits change a savings or investment scenario.
Compare 3%, 5%, and 7% rate assumptions without pretending any rate is promised.
Use a first-pass money projection before opening a loan, investment, retirement, or compound-interest calculator.
About $20,642.25 ending balance
About $2,355.31 ending balance
About $22,725.48 ending balance
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Plain-language answers about when to use the estimate, what your numbers mean, what is left out, and how privacy works.
Use it when you want to test the exact inputs on this page: Run a quick future-balance estimate before choosing a specialized tool. See how monthly deposits change a savings or investment scenario. The result is a check against your assumptions, not proof that a lender, tax app, broker, platform, or provider will use the same number.
Starting amount means the money already in the account or scenario before future deposits. Monthly contribution means the amount added at the end of each month. Use 0 if there are no new deposits. Estimated annual rate means the what-if growth rate, entered as 5 for 5%, not 0.05. Time means how many years the projection runs before showing the ending balance.
It uses the same basic future-balance idea, but it stays general. Use the Investment Calculator when you want investment wording, the Compound Interest Calculator when compounding frequency matters, and the Payment Calculator when the question is debt payment.
The rate is applied every month for the whole time period. That means extra time gives growth more chances to build on itself. The rate is still only an assumption, not a promise.
In plain language: The calculator converts the annual rate into monthly growth, compounds the starting balance, and adds each monthly deposit at the end of the month. For the starter example, $2,000 plus $150 each month at 5% for 8 years gives about $20,642.25, made from $16,400 in contributions and about $4,242.25 in estimated growth.
Start with the ending balance, then check total contributions and estimated growth. Contributions are the money you put in. Estimated growth is the part that came from the rate assumption.
This is a simple projection, not financial advice or a guaranteed return. It does not include tax, fees, inflation, withdrawals, changing rates, market losses, account rules, or provider terms. If the number affects a real loan, tax, retirement, or investment decision, use the matching specialized calculator and compare it with official account, lender, or adviser information.
Check that the monthly contribution is monthly, the rate is a percent like 5, and the time is in years. Then test a lower rate so the projection does not feel more certain than it is.
No. The calculator runs in your browser tab. Recent answers stay only on the page while you use it, and they are not sent to a server.