Wondering if you’re saving enough for college? This free 529 college savings calculator projects the future value of your current savings plus monthly contributions, using compound growth over the years until enrollment.
This is a projection based on your assumed return, not a guarantee. Investment returns vary and 529 rules differ by state – check your plan’s specifics.
How 529 College Savings Calculator Works
This calculator projects a 529 account’s future balance by growing your current savings and every future monthly contribution at an assumed annual return, compounded monthly, until the year college starts.
Formula: Future Value = Current × (1+i)^n + Monthly × [(1+i)^n − 1] ÷ i, where i = Annual Return ÷ 12 ÷ 100 and n = Years × 12
- Current — your current 529 balance
- Monthly — the monthly contribution you plan to keep making
- Years — years remaining until college enrollment
- Annual Return — your assumed average annual investment return
Example Scenarios
| Current Balance | Monthly | Years | Return | Projected Balance |
|---|---|---|---|---|
| $5,000 | $200 | 10 | 6% | ~$41,870 |
| $10,000 | $300 | 15 | 7% | ~$123,500 |
| $0 | $150 | 18 | 6% | ~$58,100 |
| $2,000 | $100 | 5 | 5% | ~$9,370 |
529 College Savings Calculator FAQ
Why does starting a 529 plan early make such a big difference?
Every year of extra growth compounds on top of prior growth, so contributions made a decade before enrollment have far longer to grow than contributions made in the final few years, even at the same monthly amount.Is the projected balance in this calculator guaranteed?
No. It’s a projection based on the annual return rate you enter, which is an assumption, not a guarantee. Actual investment returns fluctuate year to year and can be higher or lower than your estimate.Does this calculator account for 529 tax advantages?
The calculator projects investment growth only; it doesn’t model the specific tax treatment of withdrawals or state tax deductions, since those rules vary by state and by how the funds are ultimately used.What happens if I increase my monthly contribution partway through?
Increasing contributions partway through shifts more of the total growth toward later, shorter-compounding periods, so the projected balance rises but by less than if the higher amount had been contributed from the start.How does the assumed return rate affect the projection?
A higher assumed annual return increases both the compounding factor applied to your current balance and the growth applied to each contribution, so small changes in the assumed rate can shift long-term projections noticeably.Should I use a conservative or optimistic return estimate?
Many savers use a moderate, conservative estimate for planning purposes so they aren’t caught short if actual returns come in lower than a more optimistic assumption would suggest.Related Calculators
If you’re weighing college savings against other goals, compare it with how compound interest grows a lump sum over time or work backward from a target savings goal.