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529 Plan Growth

Project how a 529 college fund grows with contributions.

About 529 Plan Growth

A 529 plan compounds current savings and monthly contributions until the child reaches college. The projection separates contributed money from investment growth. Starting a college fund early maximizes tax-advantaged growth, and projecting it shows how much monthly saving really matters.

Formula

529 Plan Growth

Projected = P(1+m)^n + PMT x ((1+m)^n - 1)/m

P
current balance
PMT
monthly contribution
m
monthly rate
n
months

Worked example

With the default values below, 529 Plan Growth returns Projected Balance of $62,537.54. Change any input above and every figure here is recalculated in your browser.

Inputs used

Current balance
10,000
Monthly contribution
200
Annual returnaccepts 0–100 %
6 %
Years to collegeminimum 0
12

Results

Projected Balance
$62,537.54
Total Contributed
$38,800.00
Investment Growth
$23,737.54

Step by step

  1. 1Values used
  2. 2529 Plan Growth
  3. 3Projected Balance= 62,537.54
  4. 4Total Contributed= 38,800.00
  5. 5Investment Growth= 23,737.54

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax or fees or charges into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • This is an estimate for general information and not professional financial, tax or legal advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is 529 Plan Growth calculated?

Projected = P(1+m)^n + PMT x ((1+m)^n - 1)/m A 529 plan compounds current savings and monthly contributions until the child reaches college. The projection separates contributed money from investment growth.

Why does 529 Plan Growth matter?

Starting a college fund early maximizes tax-advantaged growth, and projecting it shows how much monthly saving really matters.

What values do I need to enter?

This calculator takes 4 inputs: Current balance, Monthly contribution, Annual return, Years to college. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.

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