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Calculate investment growth over time.
Estimate investment growth over time with recurring monthly contributions.
| Year | Balance | Contributions | Interest |
|---|---|---|---|
| 1 | $13,068 | $13,000 | $68 |
| 2 | $16,154 | $16,000 | $154 |
| 3 | $19,257 | $19,000 | $257 |
| 4 | $22,379 | $22,000 | $379 |
| 5 | $25,519 | $25,000 | $519 |
| 6 | $28,677 | $28,000 | $677 |
| 7 | $31,854 | $31,000 | $854 |
| 8 | $35,049 | $34,000 | $1,049 |
| 9 | $38,263 | $37,000 | $1,263 |
| 10 | $41,496 | $40,000 | $1,496 |
| 11 | $44,748 | $43,000 | $1,748 |
| 12 | $48,018 | $46,000 | $2,018 |
| 13 | $51,308 | $49,000 | $2,308 |
| 14 | $54,616 | $52,000 | $2,616 |
| 15 | $57,944 | $55,000 | $2,944 |
| 16 | $61,292 | $58,000 | $3,292 |
| 17 | $64,659 | $61,000 | $3,659 |
| 18 | $68,046 | $64,000 | $4,046 |
| 19 | $71,452 | $67,000 | $4,452 |
| 20 | $74,878 | $70,000 | $4,878 |
| 21 | $78,325 | $73,000 | $5,325 |
| 22 | $81,791 | $76,000 | $5,791 |
| 23 | $85,277 | $79,000 | $6,277 |
| 24 | $88,784 | $82,000 | $6,784 |
| 25 | $92,312 | $85,000 | $7,312 |
| 26 | $95,860 | $88,000 | $7,860 |
| 27 | $99,428 | $91,000 | $8,428 |
| 28 | $103,018 | $94,000 | $9,018 |
| 29 | $106,628 | $97,000 | $9,628 |
| 30 | $110,260 | $100,000 | $10,260 |
This calculator is for educational estimates only. Actual returns, fees, inflation, taxes, and market conditions can significantly affect results.
Use this free compound interest calculator to estimate how savings or investments may grow over time. It is useful for retirement planning, recurring contribution estimates, and comparing long-term growth scenarios directly in your browser.
A compound interest calculator is useful because long-term growth is hard to estimate accurately in your head. Even small differences in time, rate, or recurring contributions can materially change the outcome.
It is especially helpful for savings and retirement planning because it makes delayed results easier to understand. Seeing the numbers in a browser can make tradeoffs feel much more concrete.
A practical way to use the Compound Interest Calculator is to compare a baseline scenario against a more conservative one before you commit to a money decision. That makes the result more useful than relying on a single optimistic assumption.
It is commonly used to estimate how savings or investments may grow over time when returns compound and additional contributions are made along the way.
If you want more context around how this tool fits into a larger workflow, these supporting guides are the best next read.
Learn how budget planning and mortgage payment planning work together before you commit to a home price or monthly payment.
Learn when to use a stock dividend calculator and when to use a compound interest calculator so income estimates and long-term growth estimates stay clear.
People using the Compound Interest Calculator often need one of these tools next for comparison, follow-up planning, or workflow cleanup.
Keep the workflow
Use the Compound Interest Calculator now, then keep favorites, return to saved activity, and organize repeat workflows in one account-backed workspace.