FinanceFormula-based · Runs in your browser

Retirement Calculator

Project retirement savings and compare them with an optional income target.

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Inputs

Enter the values you know. Optional fields may be left empty.

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Required
Required
Required
$
Required
$
Required
%
Optional
$
Required
%

Result

Updates as valid inputs change.

Calculated locally
Planning estimate only. Investment returns are not guaranteed.
Projected retirement savings
Total contributions
Investment growth
Target nest egg
Surplus or gap

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Drafts, calculations, scenarios, and workflow progress stay in this browser unless you export them.

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Calculation steps

Follow what happened from the selected formula to the displayed answer.

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  1. 1

    Formula selected

    The calculator uses the following formula or method.

    Balanceₙ = balanceₙ₋₁ × (1 + annual return/12) + monthly contribution

    The optional target nest egg equals annual income divided by the withdrawal rate.

  2. 2

    Values entered

    Your values are placed into the calculation.

    Enter values to see what is used in this step.

  3. 3

    Result calculated

    The formula or method produces the following result values.

    Results will appear after a successful calculation.

  4. 4

    Answer formatted

    Displayed values are rounded and formatted using each output’s configured precision.

Scenario comparison

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Recent calculations

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Data and privacy

How it works

Savings grow monthly at the selected constant return. Contributions are added at the end of each month.

Input query strings and outputs

Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.

Input query strings

7
  • ?currentAge= Current age

    Number · Required · Default: 35

  • ?retirementAge= Retirement age

    Number · Required · Default: 65

  • ?currentSavings= Current retirement savings

    Money · Required · Default: 50,000

  • ?monthlyContribution= Monthly contribution

    Money · Required · Default: 800

  • ?annualReturn= Annual return

    Percentage · Required · Default: 7

  • ?targetAnnualIncome= Target annual retirement income

    Money · Optional

  • ?withdrawalRate= Withdrawal rate

    Percentage · Required · Default: 4

Outputs

5
  • projectedSavings Projected retirement savings

    Currency · Primary output

  • totalContributions Total contributions

    Currency

  • investmentGrowth Investment growth

    Currency

  • targetNestEgg Target nest egg

    Currency

  • surplusGap Surplus or gap

    Currency

Income target

When provided, the target nest egg is annual retirement income divided by the selected withdrawal rate.

Limits

Taxes, fees, inflation, contribution limits, and changing returns are not modeled.

Sources
Limitations
  • Planning estimate only. Investment returns are not guaranteed.
  • The optional target nest egg equals annual income divided by the withdrawal rate.
  • Estimates use the rates, timing, and assumptions entered. Fees, taxes, lender rules, and future changes are included only where explicitly shown.