Brokerage Prefund Modeler

Size separate brokerage deposits at a single funding year so each child reaches a target real value at age 21. Year 0 is the first child's birth. All calculations run in your browser.

Your assumptions

Number of children Each gets a separate brokerage deposit Years between children Equal birth spacing after the first child Funding year Year 0 = first birth; negative = fund early Target at age 21 ($ real) Real value in year-0 dollars when each child turns 21 Average CPI (%) Default ~US CPI 1975–2025 (BLS) Average market growth (%) Default ~S&P 500 total return 1975–2025

Brokerage Prefund Modeler

Your assumptions

Results