529 Plan Savings Calculator

Calculate your 529 college savings plan growth with tax-free compounding. Project future balance from initial deposit and monthly contributions.

%
Projected Balance
$189,851.11
At age 18 when child starts college
Total Contributions
$91,400.00
$5,000.00 initial + $4,800.00/yr for 18 years
Tax-Free Growth
$98,451.11
Investment gains that grow and withdraw tax-free for education
Annual State Tax Savings
$240.00
Based on 5% state rate and $10,000.00 max deduction
Total Tax Benefit
$4,320.00
Cumulative state income tax savings over the contribution period
Est. 4-Year College Cost
$336,926.69
Based on $35K avg today inflated 5%/yr for 18 years
College Cost Coverage
0.56%
You will cover 0.56% of projected costs
Effective Return
1.12%
Total value (balance + tax savings) vs. contributions

Growth Breakdown

Contributions
47.1%
$91,400.00
Tax-Free Gains
50.7%
$98,451.11
Tax Savings
2.2%
$4,320.00

Savings Milestones

MilestoneYears to ReachChild AgeStatus
$50KYear 7Age 7Achievable
$100KYear 12Age 12Achievable
$150KYear 16Age 16Achievable
$200K--Not reached
Year-by-Year Growth Table
YearAgeContributionsBalanceGainsTax Saving
11$9,800.00$10,318.00$518.00$240.00
22$14,600.00$16,021.00$1,421.00$240.00
33$19,400.00$22,137.00$2,737.00$240.00
44$24,200.00$28,694.00$4,494.00$240.00
55$29,000.00$35,725.00$6,725.00$240.00
66$33,800.00$43,265.00$9,465.00$240.00
77$38,600.00$51,350.00$12,750.00$240.00
88$43,400.00$60,019.00$16,619.00$240.00
99$48,200.00$69,314.00$21,114.00$240.00
1010$53,000.00$79,282.00$26,282.00$240.00
1111$57,800.00$89,971.00$32,171.00$240.00
1212$62,600.00$101,432.00$38,832.00$240.00
1313$67,400.00$113,721.00$46,321.00$240.00
1414$72,200.00$126,899.00$54,699.00$240.00
1515$77,000.00$141,030.00$64,030.00$240.00
1616$81,800.00$156,182.00$74,382.00$240.00
1717$86,600.00$172,429.00$85,829.00$240.00
1818$91,400.00$189,851.00$98,451.00$240.00
Planning notes, formulas, and examples

About the 529 Plan Savings Calculator

A 529 plan is one of the most powerful tools for saving for college. Contributions grow tax-free when used for qualified education expenses, and many states offer additional tax deductions or credits for contributions.

Enter your initial deposit, planned monthly contributions, expected rate of return, and the number of years until college enrollment. The calculator projects a future balance using compound-growth assumptions so you can see the payoff from starting early and contributing consistently.

Whether you are opening a new 529 plan or evaluating whether your existing savings are on track, this calculator provides a practical projection. Combine it with a tuition-inflation or cost-of-attendance worksheet to judge whether the projected balance looks large enough for your goal.

When This Page Helps

Tax-free growth makes 529 plans significantly more efficient than taxable investment accounts for education savings. This calculator quantifies that growth so you can see the tangible benefit of starting early and contributing regularly.

How to Use the Inputs

  1. Enter your initial deposit or existing 529 balance.
  2. Set your planned monthly contribution amount.
  3. Enter the expected annual rate of return (typically 5-7% for a balanced portfolio).
  4. Set the number of years until college enrollment.
  5. Review the projected future balance.
  6. Compare against projected college costs to see if you are saving enough.
Formula used
FV = PMT x [((1 + r)^n - 1) / r] + PV x (1 + r)^n where r = annual rate / 12, n = years x 12, PMT = monthly contribution, PV = initial balance

Example Calculation

Result: $131,620

Starting with $5,000 and contributing $300 per month at a 6% annual return over 18 years yields approximately $131,620. Total contributions are $69,800 ($5,000 + $300 x 216 months), so investment gains add roughly $61,820 in tax-free growth.

Tips & Best Practices

  • Start as early as possible; even small contributions benefit enormously from compound growth over 18 years.
  • Check your state's 529 plan for state income-tax deductions on contributions.
  • You can change your investment allocation as the enrollment date approaches to reduce risk.
  • Grandparents, relatives, and friends can contribute to a child's 529 plan as gifts.
  • Unused 529 funds can often be transferred to siblings or used for other qualified education purposes.
  • Age-based portfolio options automatically shift from aggressive to conservative as the beneficiary ages.

The Power of Tax-Free Compounding

In a taxable account, investment gains are eroded by capital-gains taxes each year. In a 529 plan, growth can remain tax-free when used for education. Over 18 years, that tax advantage can leave meaningfully more money available for college than a comparable taxable account.

Choosing the Right 529 Plan

Every state offers at least one 529 plan, and direct-sold plans purchased without an advisor typically have lower fees. Key factors to compare include expense ratios, investment options, state-tax benefits, and minimum contribution requirements.

529 Savings Milestones

Many families aim to save about one-third of projected college costs in a 529 plan, cover another third from household cash flow during college years, and fund the rest with financial aid or loans. This balanced approach avoids over-saving while still creating a meaningful cushion.

Sources & Methodology

Last updated:

Frequently Asked Questions

  • A 529 plan is a tax-advantaged savings account designed for education expenses. Contributions grow tax-free federally, and withdrawals for qualified education expenses are also tax-free.