529 College Savings Plan Calculator
Project tax-free growth in a 529 plan vs taxable account. Includes state tax deduction value and college cost inflation. Free, no signup.
529 Plan Calculator
Project 529 plan growth (tax-free for qualified education expenses) vs equivalent taxable account. Includes state income-tax deduction value and projected college cost inflation. Returns coverage % of total future college cost.
529 Plan (tax-free)
Taxable account (comparison)
How to Use the 529 Calculator
Realistic college cost
2024 average annual cost: USD 11K (in-state public), USD 28K (out-of-state public), USD 60K (private). Total 4 years: USD 44K (in-state) to USD 240K (private). Pick based on your kid's likely path. Don't anchor on Ivy League costs for an average kid.
Use realistic college inflation
Long-run college cost inflation: 4-6% per year (faster than general CPI). Higher than equity return assumption: this is why college savings can feel like running uphill.
State deduction varies massively
NY: up to USD 10K joint deduction. IL: USD 20K joint. UT: 4.55% tax credit on up to USD 4,650 joint. CA, HI, NJ, KY, KS: no state 529 deduction. Use your state's specific deduction limit (NerdWallet + SavingForCollege have state-by-state tables).
Don't try to fund 100%
For most middle-income families, targeting 50-75% of expected cost is realistic. The balance via parent income, student work, scholarships, federal student loans. Over-saving in 529 + child not going to college creates withdrawal-penalty complications. Mid-range coverage is the sweet spot.
529 Plans — The Most Powerful US Education-Savings Vehicle
The Triple Tax Advantage of 529 Plans
529 plans, named after Section 529 of the Internal Revenue Code, offer three layers of tax benefit: (1) contributions grow tax-free; (2) withdrawals for qualified education expenses are tax-free; (3) most states offer a state income-tax deduction or credit on contributions. The growth + withdrawal benefits are federal and apply to all 50 states. The state deduction varies widely — best are NY (USD 10K joint), IL (USD 20K joint), and several others; worst are CA, HI, NJ, KY (no state deduction). For high-income parents in deduction states, 529 vs taxable savings can save USD 500-USD 3,000 per year in state tax alone.
Qualified education expenses: tuition, fees, books, supplies, computers + internet, room + board (if at least half-time student), special-needs services. K-12 tuition up to USD 10K/year (TCJA expansion). Apprenticeship programs. Up to USD 10K total student loan repayment (SECURE Act 2019). Post-secondary education at any eligible institution worldwide (most US + many international universities qualify). Non-qualified withdrawals: 10% penalty on earnings + ordinary income tax on earnings. Contributions can always be withdrawn tax/penalty-free.
Coverdell ESA vs 529 vs Other Options
529: highest contribution limits (USD 350K-USD 500K total state cap), state tax deduction, flexible beneficiary changes. Coverdell ESA: USD 2,000 annual contribution limit (deal-breaker for many), K-12 + college expenses, broader investment options but smaller scale. UGMA/UTMA accounts: brokerage account in child's name, NO tax advantage for college specifically, child owns at age of majority (18 or 21). Roth IRA: contributions can be withdrawn for education without penalty; earnings still taxed if non-qualified. Direct savings + investing: maximum flexibility but no tax benefit. For most US families, 529 wins on tax advantage + scale.
SECURE Act 2.0 (Dec 2022) added a major 529 enhancement: starting 2024, unused 529 balances can be rolled over to a Roth IRA for the beneficiary, subject to USD 35K lifetime cap + annual Roth contribution limits + 15-year minimum 529 account age. Significantly reduces "what if kid doesn't go to college" risk. Combined with the broad qualified-expenses definition, 529 is the most flexible college savings vehicle ever.
"For a USD 400/month contribution over 12 years at 7% return, a 529 produces USD 95K vs ~USD 88K in a taxable account = USD 7K more, plus USD 3-9K in state tax deductions = USD 10-16K total advantage. Real money for college funding."
Strategic 529 Use Cases
Beyond traditional college funding, 529 plans have several strategic uses. Multi-generational funding: grandparents fund 529 with USD 18K annual gift tax exclusion or the 5-year-forward gifting (USD 95K single / USD 190K joint, prorated over 5 years for gift tax). State tax arbitrage: high-state-tax residents can save on state income tax by contributing to their home state's 529 even if it's not the best-performing plan. Beneficiary changes: if first child doesn't fully use 529, change beneficiary to sibling, parent, grandchild, niece/nephew, etc. — same federal tax treatment. Self-funded college: parents can use 529 for their own education. Investment-vehicle play: high-net-worth families use 529 for tax-free growth on assets earmarked for eventual education + Roth rollover (SECURE 2.0 path).
10 Facts About 529 Plans
529 plans = tax-free growth + tax-free withdrawal for qualified education expenses (IRC §529).
State tax deduction varies — USD 0 to USD 20K annually. NY: USD 10K joint. IL: USD 20K joint. CA: 0.
Qualified expenses include: tuition, books, supplies, computers, room+board (half-time+ students), K-12 tuition USD 10K, apprenticeships, USD 10K student loan repayment.
Non-qualified withdrawal: 10% penalty on earnings + ordinary income tax. Contributions always withdrawable tax-free.
SECURE Act 2.0 (2024+): unused 529 can roll over to beneficiary's Roth IRA — USD 35K lifetime, 15-yr account age.
State 529 contribution caps: typically USD 350K-USD 550K total per beneficiary. Annual gift tax exclusion: USD 18K (USD 36K joint).
5-year forward gifting: USD 95K single / USD 190K joint upfront, prorated over 5 years for gift tax.
College cost inflation: 4-6% annually historically. Higher than general CPI + many equity-fund returns.
Best-performing 529 plans (Morningstar 2024): NY 529, IL Bright Start, OH CollegeAdvantage, UT my529, MD MCIPSP.
You can use ANY state's 529 plan regardless of residence. Pick best combo of state deduction (if any) + low fees + performance.
Frequently Asked Questions
- 529 advantages: tax-free growth, tax-free withdrawal for qualified education, state tax deduction. Brokerage account taxes annual dividends + cap gains + LTCG on withdrawal. For 12-year horizon at 7% return, 529 nets ~10-15% more than equivalent taxable. Disadvantage: penalty + tax if used for non-education. With SECURE Act 2.0 Roth rollover (USD 35K lifetime), the downside risk is much lower than pre-2024.
- If your state offers tax deduction: use your home state's plan to capture it. If no state deduction (CA, HI, NJ, KY, KS): use a top-rated out-of-state plan. Morningstar 2024 "Gold-Rated" 529 plans: NY 529 Direct, IL Bright Start, OH CollegeAdvantage, UT my529, MD MCIPSP. Low fees + index-based investments are most important features over the long horizon.
- Options: (1) Change beneficiary to sibling, parent, niece/nephew, grandchild — same tax treatment. (2) Use for own education or partner's. (3) Use for K-12 tuition (USD 10K/year). (4) Use for apprenticeships, trade school, foreign universities. (5) Roll over to beneficiary's Roth IRA (SECURE Act 2.0): up to USD 35K lifetime, after 15-year account age. (6) Non-qualified withdrawal: 10% penalty on earnings + tax on earnings. Most "what-if" scenarios are now manageable.
- Common targets: USD 200-500/month per child starting at birth. By college, this typically funds 50-100% of in-state public college. For private school targets: USD 500-1,000/month. For Ivy League aspirations: USD 1,000+/month. The right answer: contribute consistently from birth + capture maximum state deduction + don't try to fund 100% — student loans + parent income + scholarships fill any gap.
- Until 2024, grandparent-owned 529 withdrawals counted as untaxed income to the student on FAFSA, hurting financial aid eligibility. SECURE Act 2.0 changed this — grandparent-owned 529 withdrawals no longer counted on FAFSA starting 2024 academic year. Now grandparent-owned 529s are essentially as good as parent-owned for aid purposes. Major game-changer for multi-generational education funding.
- Parent-owned 529: counted as parent asset, assessed at max 5.64% on FAFSA — modest impact. Grandparent-owned 529 (post-2024): no longer counted as untaxed income. Student-owned 529: 20% asset assessment, larger impact. Most families should hold 529 in parent's name. For families with significant 529 assets approaching college, consider partially front-loading withdrawals to reduce the asset visible on subsequent FAFSA filings.
- No — 529 contributions are post-tax federally. The federal benefit is tax-free GROWTH + tax-free WITHDRAWAL for qualified expenses. State deduction varies — most states allow some deduction on contributions to your home state's 529. NY: USD 5K single / USD 10K joint. IL: USD 10K single / USD 20K joint. CA, HI, NJ, KY, KS: no state deduction.
- 529 plans allow front-loading: contribute up to 5× the annual gift exclusion in one year without triggering gift tax — USD 95K single / USD 190K joint upfront. Treated as USD 19K single / USD 38K joint per year for 5 years for gift tax purposes. Strategy used by grandparents to maximize early-years compounding while staying within gift exclusion. If grandparent dies within 5 years, prorated portion comes back into estate.
- Yes, up to USD 10K per year per beneficiary for K-12 tuition (TCJA 2017 expansion). Federally tax-free. State treatment varies — some states allow K-12 withdrawals tax-free + state-deduction-eligible (NY, MD); some recapture state deductions (CA, OR). Check your state. The K-12 expansion is most valuable for parents in private K-12 with state-deduction-eligible 529 plans.
- Many international universities are eligible 529 recipients — check the US Department of Education's list of Title IV-eligible institutions. NUS, NTU (Singapore), University of Tokyo, Oxford/Cambridge (UK), and many ASEAN top universities are eligible. Tax treatment varies by student's tax residency at time of withdrawal — US tax resident can use 529 funds tax-free for eligible foreign tuition. Returning to home country before withdrawal: complex; consult cross-border CPA.
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