Retirement Calculator

Calculate retirement from your own entered figures.

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Currency: Amounts are calculated in the currency you select; this site does not convert between currencies and does not use live exchange rates.

What this tool does

Calculate retirement from your own entered figures. Account-level accumulation-plus-drawdown projection in nominal dollars: no inflation, taxes, Social Security, pensions or market variation are included — use the FIRE and Social Security tools alongside it.

How to use the Retirement Calculator

  1. Enter or select current retirement savings.
  2. Enter or select monthly contribution until retirement.
  3. Enter or select return before retirement (%).
  4. Enter or select years until retirement.
  5. Enter or select monthly spending in retirement.
  6. Enter or select return during retirement (%).
  7. Enter or select years in retirement to fund.
  8. Read the calculated result; change any measurement to compare alternatives.

Formula

balance at retirement compounds monthly contributions at the pre-retirement return; the amount needed at retirement is the present value, at the post-retirement return, of the entered monthly spending over the retirement years
balance
Current retirement savings
monthly
Monthly contribution until retirement
retPre
Return before retirement (%)
yearsTo
Years until retirement
spend
Monthly spending in retirement
retPost
Return during retirement (%)
yearsIn
Years in retirement to fund

Account-level accumulation-plus-drawdown projection in nominal dollars: no inflation, taxes, Social Security, pensions or market variation are included — use the FIRE and Social Security tools alongside it.

Worked example

For retirement calculator, the following measurements illustrate the exact method: Current retirement savings: 50000; Monthly contribution until retirement: 750; Return before retirement (%): 7; Years until retirement: 30; Monthly spending in retirement: 4000; Return during retirement (%): 5; Years in retirement to fund: 25.

Inputs

  • Current retirement savings50000
  • Monthly contribution until retirement750
  • Return before retirement (%)7
  • Years until retirement30
  • Monthly spending in retirement4000
  • Return during retirement (%)5
  • Years in retirement to fund25

Result

  • Projected savings at retirement$1,257,702.20
  • Savings needed at retirement for the entered spending$691,876.11
  • Surplus / shortfall at retirement$565,826.10
  • Funded ratio181.78%

Results explained

Projected savings at retirement
Projected savings at retirement from the formula above. Account-level accumulation-plus-drawdown projection in nominal dollars: no inflation, taxes, Social Security, pensions or market variation are included — use the FIRE and Social Security tools alongside it.
Savings needed at retirement for the entered spending
Savings needed at retirement for the entered spending from the formula above. Account-level accumulation-plus-drawdown projection in nominal dollars: no inflation, taxes, Social Security, pensions or market variation are included — use the FIRE and Social Security tools alongside it.
Surplus / shortfall at retirement
Surplus / shortfall at retirement from the formula above. Account-level accumulation-plus-drawdown projection in nominal dollars: no inflation, taxes, Social Security, pensions or market variation are included — use the FIRE and Social Security tools alongside it.
Funded ratio
Funded ratio from the formula above. Account-level accumulation-plus-drawdown projection in nominal dollars: no inflation, taxes, Social Security, pensions or market variation are included — use the FIRE and Social Security tools alongside it.

Frequently asked questions

balance at retirement compounds monthly contributions at the pre-retirement return; the amount needed at retirement is the present value, at the post-retirement return, of the entered monthly spending over the retirement years

Account-level accumulation-plus-drawdown projection in nominal dollars: no inflation, taxes, Social Security, pensions or market variation are included — use the FIRE and Social Security tools alongside it.

No. All numbers are entered by you or come from the dated reference table shown on this page; calculations run locally.

This is an estimate, not financial, tax or legal advice. Verify the inputs and output with official sources and a qualified professional.

Check period consistency, currency, percentage inputs and the assumptions: Account-level accumulation-plus-drawdown projection in nominal dollars: no inflation, taxes, Social Security, pensions or market variation are included — use the FIRE and Social Security tools alongside it.