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College Math Pro

529 Plan Growth & Withdrawal Calculator

A 529 plan grows tax-deferred and withdrawals are tax-free for qualified education expenses — one of the best risk-adjusted savings vehicles for education costs. But the rules around contributions, qualified expenses, and what happens to leftover funds are nuanced. This calculator projects your 529 balance at enrollment, models tax-free withdrawal sequencing against tuition bills, and shows the new Roth IRA rollover option for unused funds under SECURE Act 2.0.

Launching next batch

Inputs coming in next batch

The full calculator is in active build. When it ships, you'll be able to model:

  • Current 529 balance
  • Monthly contribution amount
  • Years until enrollment
  • Expected annual investment return
  • State (for state tax deduction benefit calculation)
  • Expected qualified expenses per year (tuition + room/board + required supplies)
  • Number of enrollment years
Results preview

Projected balance at enrollment. Year-by-year withdrawal schedule against estimated expenses. Tax savings vs taxable account (earnings on qualified withdrawals that are tax-free). State tax deduction value (lump sum at contribution, projected over contribution years). Leftover balance at graduation and Roth IRA rollover analysis under SECURE Act 2.0.

This panel reserves its final height now so there's zero layout shift when the live tool replaces the placeholder.
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Frequently asked questions

See methodology — how every calculator on this site is sourced and reviewed.

By Last updated

Founder & Editor, Bedrocka Tools

The information and tools on this website are for general educational purposes only and do not constitute financial, investment, legal, or tax advice. Consult a licensed professional for decisions specific to your situation.