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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
Projected balance and contributions over time
BalanceContributions
View yearly projection
Yearly projection
YearBalanceContributionsGrowth
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

  1. Enter the starting balance, contribution, rate, and duration.
  2. Choose the contribution and compounding assumptions.
  3. 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.