Finance · Free tool
Compound Interest
Project savings growth, contributions, and inflation-adjusted value.
Instant resultsPrivate by defaultNo sign-up
Estimated future balance$63,368
$40,000Total contributions
$23,368Estimated growth
$47,152Today’s purchasing power
View growth chart
BalanceContributions
View yearly projection
| Year | Balance | Contributions | Growth |
|---|---|---|---|
| 0 | $10,000 | $10,000 | $0 |
| 1 | $13,821 | $13,000 | $821 |
| 2 | $17,918 | $16,000 | $1,918 |
| 3 | $22,312 | $19,000 | $3,312 |
| 4 | $27,023 | $22,000 | $5,023 |
| 5 | $32,074 | $25,000 | $7,074 |
| 6 | $37,491 | $28,000 | $9,491 |
| 7 | $43,300 | $31,000 | $12,300 |
| 8 | $49,528 | $34,000 | $15,528 |
| 9 | $56,206 | $37,000 | $19,206 |
| 10 | $63,368 | $40,000 | $23,368 |
Illustration only. Assumes a constant annual return compounded monthly, contributions at month’s end, and constant inflation. Excludes taxes and fees.
About this compound interest
Estimate how an initial balance and regular contributions may grow through compounding, including an inflation-adjusted view.
How to use it
- Enter the starting balance, contribution, rate, and duration.
- Choose the contribution and compounding assumptions.
- Review projected balances and the growth chart.
Common uses
- Explore a savings goal
- Compare contribution amounts
- Estimate inflation-adjusted value
Common questions
Is the result a guaranteed return?
No. It is an estimate based on the constant rates and contributions you enter.
Why include inflation?
Inflation-adjusted value estimates the future balance in terms of today’s purchasing power.