ETF Growth Calculator

Wondering what $500/month into a low-cost index ETF might look like in 20 or 30 years? This calculator projects your portfolio with adjustable starting balance, monthly contributions, and return assumptions.

Use it when you're setting savings goals, comparing contribution amounts, or trying to explain compound growth to someone who thinks investing is only for rich people. Toggle pessimistic, realistic, and optimistic scenarios to see a range — not a guarantee, but a useful gut check.

1% 15%
1 yr 50 yr

$465K

Final balance

$160K

Contributed

$305K

Growth

2.9×

Multiplier on contributions

$100K · Yr 10$250K · Yr 18$500K$1.0M

☕ Adding $5/day ($150/mo) would grow your portfolio to $587K$122K more.

Growth over time

Portfolio grows from $10.0K to $465K over 25 years. Total value ends at $465K (25); Contributions ends at $160K (25)

$0$116K$232K$348K$465K01225
Total value Contributions
Year-by-year breakdown
Year by year portfolio growth
YearBalanceContributedGains
0$10.0K$10.0K$0
1$17.0K$16.0K$955
2$24.4K$22.0K$2,413
3$32.4K$28.0K$4,411
4$41.0K$34.0K$6,986
5$50.2K$40.0K$10.2K
6$60.0K$46.0K$14.0K
7$70.6K$52.0K$18.6K
8$82.0K$58.0K$24.0K
9$94.1K$64.0K$30.1K
10$107K$70.0K$37.1K
11$121K$76.0K$45.1K
12$136K$82.0K$54.1K
13$152K$88.0K$64.2K
14$169K$94.0K$75.4K
15$188K$100K$87.9K
16$208K$106K$102K
17$229K$112K$117K
18$252K$118K$134K
19$276K$124K$152K
20$302K$130K$172K
21$330K$136K$194K
22$361K$142K$219K
23$393K$148K$245K
24$428K$154K$274K
25$465K$160K$305K

These calculators use hypothetical assumptions for illustration only — not a guarantee of future performance or personalized financial advice. Consult a qualified professional before making investment or tax decisions.