Child Brokerage Modeler

Project a child investment account with year-by-year contributions, then see estimated brokerage value at key ages. All calculations run in your browser.

Your assumptions

Starting age Child's age when the account opens (year 0) Starting balance ($) Initial account balance at year 0 Average CPI (%) Default ~US CPI 1975–2025 (BLS) Average market growth (%) Default ~S&P 500 total return 1975–2025

Contributions by year

Year 0 is when the account opens. Add a row for each year you plan to contribute; years without a row contribute $0.

Child Brokerage Modeler

Your assumptions

Contributions by year

Results