Roth IRA Calculator

Grow your retirement, tax-free.

A Roth IRA is funded with money you've already paid tax on, so every dollar it grows is yours to keep, tax-free, in retirement. See what steady contributions could become, and how much a Roth beats an ordinary taxable account.

1

What you're putting in

$
$

2026 limit: $7,500/yr, or $8,600 at age 50+.

2

Time & growth

%
%

The tax rate is only used to compare a Roth against a regular taxable account; a Roth itself is never taxed on qualified withdrawals. Historically stocks have returned ~7%/yr after inflation, but returns aren't guaranteed.

At age 65, tax-free

$1,497,263

$1,197,263 of that is tax-free growth

What you contributed
$300,000
Tax-free growth
+ $1,197,263
Roth IRA balance
$1,497,263

Why a Roth?

Same money, taxable account
$1,014,443
Roth advantage
+ $482,820

Because a Roth is never taxed on growth, you keep about $482,820 more than you would in a regular taxable account at 22% tax.

What builds it

  • What you put in$300,000
  • Tax-free growth$1,197,263

Roth vs. taxable account over time

Now40 yrs
  • Roth (tax-free)$1,497,263
  • Taxable account$1,014,443

Estimates only, for planning. Not financial advice.

Saved on this device only; no account needed.