US 529 College Savings Plan & Tuition Growth Calculator
Project compound tax-free growth in a 529 plan, estimate 4-year tuition inflation costs, and evaluate college funding coverage.
Project compound tax-free growth in a 529 plan, estimate 4-year tuition inflation costs, and evaluate college funding coverage.
Project compound tax-free growth in a 529 plan, estimate 4-year tuition inflation costs, and evaluate college funding coverage. Calculate exact, penny-accurate projections compliant with 2026 IRS • St. Louis FED (FRED) standards using Calconova's deterministic IEEE-754 (Decimal.js) calculation engine with instant breakdowns.
Beneficiary ages, target college cost, and monthly savings
Projected value in 15 years
College Coverage
52.5%
Tax-Free Gains
$64,029.65
4-Year College Need
$268,813.21
Principal Contributed
$77,000
FV = P × (1 + r/12)^(12t) + PMT × [ ((1 + r/12)^(12t) - 1) ÷ (r/12) ]Compound interest on lump-sum seed capital and monthly contributions compounding over the child's pre-college horizon. College cost need inflates each year at the education inflation index.
All calculations, amortizations, and scenario projections displayed on this page are strictly for informational and educational purposes. Nothing herein constitutes investment, financial, tax, underwriting, or legal advice. Actual interest rates, closing costs, lender fees, and statutory criteria may vary. Calconova explicitly disclaims all liability for any financial decisions or actions taken based upon these calculations. Users are strongly advised to consult a certified financial planner, CPA, or licensed lending officer prior to executing financial commitments.
529 plans offer 100% tax-free investment growth and 100% tax-free withdrawals when used for qualified higher education expenses (tuition, room & board, books, computer equipment). Furthermore, over 30 US states offer state income tax deductions or credits for annual contributions.
Under the SECURE 2.0 Act, beneficiaries can roll over up to $35,000 of leftover 529 funds into a Roth IRA without any federal tax penalties (provided the 529 plan has been open for 15+ years). You can also change the beneficiary to another sibling, parent, or yourself with zero tax consequences.
Historically, higher education tuition and campus housing costs have grown at 4% to 6% per year, substantially outpacing general consumer inflation (CPI ~2-3%). Modeling education inflation accurately is vital so families are not caught underfunded.
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