qcalculator.net

Retirement Calculator

See how much your retirement savings could grow by the time you retire, based on what you've saved so far and what you add each month. The estimate also shows roughly how much monthly income that nest egg could support.

Your plan

Projected at retirement
$1,188,181

balance at age 65

  • You contribute
  • Investment growth
  • Est. monthly income (4% rule)
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How it works

Your projected balance is the future value of your current savings plus your future contributions, compounded monthly until retirement:

FV = B(1 + i)N + PMT × [ ((1 + i)N − 1) / i ]

The estimated retirement income uses the "4% rule": about 4% of the balance per year, shown here per month.

Worked example

Age 30 retiring at 65, $25,000 saved, $500/month at 7%:

Frequently asked questions

What is the 4% rule?
It's a rule of thumb suggesting you can withdraw about 4% of your retirement savings in the first year, then adjust for inflation, with a good chance the money lasts ~30 years. It's a starting point, not a guarantee — market conditions and your spending matter.
How much should I save for retirement?
A common guideline is to save around 15% of your gross income, including any employer match, but the right number depends on your target retirement age and lifestyle. This calculator lets you test different contribution levels to see the impact.
Is the projection adjusted for inflation?
No, it shows nominal dollars. Since inflation erodes buying power over decades, consider using a more conservative return (e.g. 4–5% instead of 7%) to approximate inflation-adjusted growth.

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