| Year | Starting Balance | Contributions | Interest | Ending Balance |
|---|---|---|---|---|
| 1 | $10,000 | $6,000 | $1,120 | $17,120 |
| 2 | $17,120 | $6,180 | $1,632 | $24,932 |
| 3 | $24,932 | $6,365 | $2,187 | $33,484 |
| 4 | $33,484 | $6,556 | $2,803 | $42,843 |
| 5 | $42,843 | $6,753 | $3,482 | $53,078 |
| ... | ... | ... | ... | ... |
| 15 | $243,789 | $8,529 | $19,316 | $271,634 |
Make smarter financial decisions with our free online Investment Calculator. Estimate your potential returns, compare investment strategies, and plan your financial future with ease.
Our Investment Calculator? Oh man, it’s basically your financial crystal ball. Doesn’t matter if you’re just dipping your toes into investing or you’ve been playing the game for years—this thing lets you mess around with numbers and see how your money might stack up over time. Plug in your starting cash, how often you wanna chip in, your best guess at returns, and how long you’re willing to wait. Boom—future you, visualized.
Think of it like a money time machine. You toss in details—starting amount, rate you hope for, how often you throw more in, and how long you leave it alone—and it spits out what your money could look like down the road. It does the math for both simple saving and the wild magic of compounding, so you can see the difference between just tossing money under your mattress and actually letting it grow.
This is your starting stash. Got $10k burning a hole in your pocket? That’s where you stick it. Simple.
Are you the “set it and forget it” type who drops in cash every month, quarter, or year? The calculator lets you see how those regular top-ups can seriously snowball.
Here’s where you play fortune teller. What percent do you think you’ll earn each year? For stocks, people often roll with 7% after inflation, but hey, your guess is as good as anyone’s.
How long are you cool with letting your money chill? The longer you wait, the more compounding does its thing—and trust me, it’s worth the wait.
Compounding is where things get fun. It’s not just earning interest on your cash—it’s earning interest on the interest you already earned. Like, money making money while you binge-watch Netflix. That’s why people rave about “interest on interest.”
Example time: Let’s say you toss $5,000 in at 8% per year for 20 years, no extra deposits. You walk away with about $23,305. Now, if you throw in $200 every month on top? You’re looking at over $124k. No kidding.
Here’s what can happen with different moves:
- Start: $10,000
- Return: 7%/year
- Time: 15 years
- End: Around $27,590
- Start: $5,000
- Add: $200/month
- Return: 8%/year
- Time: 20 years
- End: Over $124,000
- Start: $20,000
- Add: $300/month
- Return: 10%/year (yeah, a bit spicy)
- Time: 25 years
- End: $427,000+ (not too shabby)
The layout? Couldn’t be easier. Punch in the numbers, see the results. Done.
It runs on formulas that actually make sense (not just wishful thinking), so you get numbers that reflect how money really works.
Forget spreadsheets and headaches. This tool gets you answers fast.
Retirement, college, beach house—whatever you’re aiming for, you can model it out.
For the math nerds: When you don’t add more money, it uses the classic compounding formula:
A = P(1 + r/n)nt
Where:
A = what you end up with
P = starting amount
r = yearly interest rate
n = how many times it compounds per year
t = number of years you’re in
If you’re making regular deposits, the equation gets beefed up:
A = P(1 + r/n)nt + PMT × (((1 + r/n)nt - 1) / (r/n))
Where PMT is your monthly boost.
Look, this tool gives you a ballpark, not lottery numbers. Real world returns swing all over—thanks to the market, inflation, taxes, you name it. So, use this as a guide, not gospel. And when in doubt? Maybe chat with a pro before betting the farm.
Ready to plan your financial future? Use our Investment Calculator above to see how your money can grow. Whether you're saving $100 a month or investing $50,000 upfront, this tool helps visualize your success.
The road to financial freedom starts with understanding your options. Our Investment Calculator makes it easy to explore, estimate, and optimize your financial strategy. It's time to make your money work for you. Start planning today!