Personal finance

529 College Savings Calculator

Project what a 529 college savings plan could grow to from your opening deposit, monthly contributions and expected return.

  • Free
  • No sign-up
  • Updated for 2026

Your plan

$
$

added each month

%
yr

Enter your deposit, monthly amount, return and years to project the balance.

Worked example

With these example inputs:

  • Opening deposit$5,000
  • Monthly contribution$300
  • Expected annual return6%
  • Years until college18 yr

Projected balance: $130,890

  • Starting amount$5,000
  • Total contributions$64,800
  • Total interest$61,090
  • Total growth87.5%

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What this 529 calculator does

This calculator projects the balance of a 529 plan. You enter the opening deposit, monthly contribution, return, and years. The tool then shows the future balance in your currency. It uses compound growth each month. This is a college savings tool. You can run a few what-ifs. The result helps you plan for tuition.

What a 529 plan is

A 529 plan is a college savings account. It grows free of tax for education. You add money over many years. The balance compounds as it grows. Withdrawals for school are tax-free. So it is built for tuition costs. The balance is shown in your currency.

How it is calculated

The tool starts with your opening deposit. It adds your monthly contribution over time. It applies the return, compounded monthly. Each month builds on the last. The total is your projected balance. The calculator does the math for you.

What the result tells you

The result shows your projected balance. Start with five thousand plus three hundred a month. At six percent over eighteen years it grows to about a hundred thirty thousand. A higher return raises it. A longer wait raises it too. So it shows what you may have for college. It is a clear final figure.

The monthly contribution

The monthly contribution is your steady deposit. It is the engine of the plan. Each one buys more growth over time. So a higher amount lifts the balance a lot. Even a small monthly sum adds up. So consistency matters more than size. Set an amount you can keep.

The expected return

The expected return drives the compounding. A higher return grows the balance faster. It depends on how the plan invests. Many plans shift to safer assets near college. So the return often falls over time. Use a realistic long-term figure. Do not assume the best case.

The power of time

Time is the biggest factor in growth. The earlier you start, the more it compounds. Early deposits have years to grow. So a head start beats a bigger late one. The final years add the most in your currency. So starting young pays off hugely. Begin as soon as you can.

How to use it

Enter your opening deposit first. Add the monthly contribution, return, and years. Read your projected balance in your currency. See how the parts add up. Then try different contributions. Compare a few returns. Use it to plan for tuition.

The limits of this calculator

Every tool has its limits. It assumes a steady return every year. Real markets rise and fall. It ignores fees and taxes on withdrawals. Tuition inflation is not modeled here. So treat it as a close estimate. So read it with care.

Common mistakes to avoid

A common mistake is assuming a steady return. Markets are bumpy in real life. Another is starting too late. Lost years cost the most growth. Some ignore plan fees. Others forget tuition keeps rising. Knowing the figure helps you sidestep them.

A final tip

Use this to plan for tuition. Remember the balance grows by compounding. Start as early as you can. Use a realistic return for the long run. Keep the monthly contribution steady. Do not assume the best market case. A quick review keeps you on track.

Frequently asked questions

What is a 529 plan?

A 529 is a tax-advantaged savings plan for education. Investments grow tax-free and withdrawals for qualified education costs are not taxed.

What return should I assume?

Returns depend on your investments and are not guaranteed. Many savers model a long-run average and revisit it as the enrolment date nears.