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Calcimator

Retirement Budget Planner

Plan retirement spending with Social Security, pension, and portfolio withdrawals using the 4% rule.

Inputs

Results

Total monthly income ($)

$3,667.00

≈ 4 smartphones

Monthly portfolio withdrawal ($)$1,667.00
Income replacement ratio (%)61%
Monthly surplus/deficit ($)-$833.00
Portfolio longevity (years)16.7
Healthcare budget/mo ($)$675.00
Discretionary1,350
How to Use This Calculator
  1. Enter your pre-retirement monthly income along with your expected monthly Social Security and pension benefits.
  2. Enter your total portfolio balance to generate a monthly withdrawal amount based on the 4% rule.
  3. Enter your expected monthly healthcare premium so it can be compared against the recommended healthcare budget.
  4. Review total monthly income, the income replacement ratio, and the monthly surplus or deficit versus the target retirement budget.
  5. Check the portfolio longevity estimate to see how many years the portfolio can sustain withdrawals at this rate.

How the result changes with Social Security/month ($)

Social Security/month ($)Total monthly income ($)
1,000$2,667.00
3,500$5,167.00
6,500$8,167.00
9,000$10,667.00

What each input means

Pre-retirement income/mo ($)
Monthly income before retirement.
Social Security/month ($)
Expected monthly Social Security benefit.
Pension/month ($)
Monthly pension benefit.
Portfolio balance ($)
Total retirement savings.
Healthcare premium/mo ($)
Monthly health insurance and Medicare premiums.

What each result means

Total monthly income ($)
Combined SS, pension, and withdrawal.
Monthly portfolio withdrawal ($)
Monthly amount from 4% rule.
Income replacement ratio (%)
Retirement income vs pre-retirement (target 75-80%).
Monthly surplus/deficit ($)
Income minus target budget.
Portfolio longevity (years)
Estimated years portfolio will last.
Healthcare budget/mo ($)
Recommended healthcare spending.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Pre-retirement income/mo ($) = 6000, Social Security/month ($) = 2000, Pension/month ($) = 0, Portfolio balance ($) = 500000 = 5 input(s) provided
  2. Calculate Total monthly income
    Total monthly income = socialSecurityMonthly + pensionMonthly + monthlyWithdrawal
    3667 = $3,667
  3. Calculate Monthly portfolio withdrawal
    Monthly portfolio withdrawal
    1667 = $1,667
  4. Calculate Income replacement ratio
    Income replacement ratio
    61 = 61%

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.

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