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Anonymous
Financial expert · Financer
Savings Calculator
Use our free savings calculator to see how your deposits and contributions grow with compound interest. Set your rate and timeline to plan ahead.
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%
$39,292Final Balance
Total invested: $29,000 | Interest earned: $10,292
Balance Growth Over Time
End balance by year
Yearly Breakdown
| Year | Start Balance | Contributions | Interest | End Balance |
|---|---|---|---|---|
| Year 1 | $5,000 | $2,400 | $312 | $7,712 |
| Year 2 | $7,712 | $2,400 | $450 | $10,562 |
| Year 3 | $10,562 | $2,400 | $596 | $13,558 |
| Year 4 | $13,558 | $2,400 | $749 | $16,707 |
| Year 5 | $16,707 | $2,400 | $911 | $20,018 |
| Year 6 | $20,018 | $2,400 | $1,080 | $23,498 |
| Year 7 | $23,498 | $2,400 | $1,258 | $27,156 |
| Year 8 | $27,156 | $2,400 | $1,445 | $31,001 |
| Year 9 | $31,001 | $2,400 | $1,642 | $35,043 |
| Year 10 | $35,043 | $2,400 | $1,849 | $39,292 |
Compounding monthly at 5% annual interest rate with $200/month contributions.
What this savings calculator does
This savings calculator shows you what your money can become. You put in your starting balance, the amount you add each month, the interest rate, and how long you plan to save. It runs the compound interest math for you and gives you a clear final total, so you can see your savings grow before you set aside a single dollar. Change any number and the result updates right away, which makes it easy to test different goals.
Enter your starting balance
Type in the money you already have saved. If you're starting from scratch, that's fine. Put in $0 and let your monthly deposits carry the weight.
Add your monthly contribution
This is the amount you plan to put away each month. Even $50 builds up faster than most people expect once the interest starts working.
Set the interest rate
Use the APY your savings account pays. You'll find it on your account page or the bank's rate sheet.
Choose your time frame
Pick how many years you want to keep saving. The longer you leave the money alone, the more the interest works in your favor.
Read your result
The calculator shows your final balance, how much of it you deposited, and how much came from interest.
How the math works
Compound interest means you earn interest on your interest, not just on the money you put in. Each period your balance earns a little, that earning gets added to the pot, and the next period the bigger pot earns even more. Stretch that over years and the growth picks up speed.
Here's a real example. Say you start with $5,000, add $200 every month, and your account pays 4.0% APY. Leave it for 10 years and you end up with about $36,904. You deposited $29,000 of that yourself. The other $7,904 is interest the account paid you for being patient.
Pay attention to the APY
The rate you enter moves your result more than almost anything else. For savings, the number to use is the APY (annual percentage yield), because it already includes the effect of compounding. APR doesn't. A high-yield savings account can pay several times what a big-bank account pays, and over a few years that gap turns into real money. Before you pick an account, compare the APY, not the headline rate in the marketing.
What to plan for
A few things can pull your real total below what the calculator shows.
Taxes. The interest you earn usually counts as taxable income. Your bank may send you a tax form after the year ends, so the amount you actually keep is a bit lower.
Inflation. $36,904 ten years from now won't buy what it buys today. Your balance still grows, but its purchasing power grows more slowly.
Changing rates. Most savings accounts use a variable rate. The APY you start with can move up or down, so treat the result as an estimate, not a promise.
Fees. Some accounts charge monthly fees or require a minimum balance. Read the fine print so fees don't quietly eat into your interest.
Tips to grow your savings faster
- Automate your deposit. Set the monthly amount to move on payday so you never have to think about it.
- Chase the APY. Moving to a high-yield account is the easiest way to earn more without saving an extra dollar.
- Raise your contribution when your income goes up. An extra $25 a month changes the final number.
- Leave it alone. Every withdrawal undoes some of the compounding you worked for.
- Run the numbers again every year. Your rate and your goals shift, and your plan should keep up.
Frequently asked questions
What is a savings calculator?
It's a tool that estimates how much your savings will grow over time. You enter your starting balance, monthly deposit, interest rate, and time frame, and it shows your future balance using compound interest. Use it to set a realistic goal before you open or fund an account.
How is interest calculated on a savings account?
Most savings accounts use compound interest, so you earn interest on both your deposits and the interest you've already earned. The more often it compounds, daily or monthly, and the longer you save, the more you end up with. The APY shows your yearly rate with compounding already baked in.
Is the amount in this savings calculator guaranteed?
No. The result is an estimate. Savings rates can move, which means your APY may change, and the final amount depends on whether you keep up your deposits. Use it to plan, then check your account's current rate.
How much should I save each month?
There's no single right number. A common starting point is an emergency fund of three to six months of expenses, then you keep going toward bigger goals. Run a few different monthly amounts through the calculator and pick one you can actually stick to.
Where can I earn the highest interest on my savings?
High-yield savings accounts, money market accounts, and CDs tend to pay more than a standard account at a big bank. Compare the APY across a few options and confirm the account is FDIC insured, or NCUA insured at a credit union, so your money is protected.
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