Finance
Retirement savings
Project a retirement balance from current savings and regular monthly contributions.
Calculators / Finance / Financial independence number
Financial independence number calculator
Estimate an investment target from annual spending and a chosen withdrawal rate.
On this page
Indicative FIRE target1,200,000
Remaining investment gap1,050,000
Current funding progress12.5%
Calculator controls
How to calculate
Estimate an investment target from annual spending and a chosen withdrawal rate.
target = annual spending ÷ withdrawal rate
Worked example
Expected annual spending: 48000; Planned withdrawal rate (%): 4; Current invested assets: 150000.
Indicative FIRE target: 1,200,000 ; Remaining investment gap: 1,050,000 ; Current funding progress: 12.5 %.
Assumptions and limits
A fixed withdrawal-rate shortcut does not model taxes, inflation paths, fees, longevity, sequence risk, pensions, or changing spending.
Results are rounded for display; calculations use unrounded values. Read our calculation methodology.
Understanding the result
Estimate an investment target from annual spending and a chosen withdrawal rate. The calculation keeps the assumptions visible instead of relying on hidden market data.
When this tool is useful
Use this calculator to compare a financial or operating scenario before confirming the figures with the relevant provider or records.
Understanding your inputs
| Input | What to enter |
|---|---|
| Expected annual spending | Enter a number of at least 0.000001 and no more than 1000000000000. |
| Planned withdrawal rate (%) | Enter a number of at least 0.000001 and no more than 100. |
| Current invested assets | Enter a number of at least 0 and no more than 1000000000000. |
Frequently asked questions
What should I verify before relying on this result?
A fixed withdrawal-rate shortcut does not model taxes, inflation paths, fees, longevity, sequence risk, pensions, or changing spending.
Does this calculator retrieve live financial data?
No. It uses only the values entered on this page, so rates and balances remain transparent and editable.