FIRE Number Signal
Turn expected retirement spending into a portfolio target and timeline.
Estimate your FIRE numberRetirement On-Track Signal
This calculator expresses retirement savings as a multiple of annual salary and compares it with a common age-based retirement-industry rule of thumb.
The signal answers a narrow checkpoint question: how does the amount already saved for retirement compare with a common benchmark for someone of the same age and salary? It first divides savings by pre-tax salary. Then it compares that actual multiple with an age target. Green is at or above the target, yellow is at least 60% of it, and red is below 60%.
The bands make a long-term reference easier to read, but they are not predictions. Someone below a benchmark may have a pension, low planned spending, or a rapidly rising savings rate. Someone above it may plan an early retirement or expensive lifestyle that requires more. At age 25, even a low balance comes with valuable time for future contributions to compound; treat an early red result as a prompt to begin, not a verdict.
Consider a 42-year-old earning $90,000 before tax with $243,000 saved for retirement.
The result is yellow because 79.4% falls between 60% and 100%. In dollars, the full benchmark is $90,000 × 3.4 = $306,000, a $63,000 difference. That difference is context, not a bill due today. The useful next calculation is whether current and planned contributions can support the retirement date and spending the person actually wants.
A salary multiple uses income as a rough stand-in for lifestyle. It does not ask what you spend, when you will retire, how long retirement may last, or how your assets are invested. It does not value Social Security, pensions, annuities, home equity, future inheritances, or a partner’s resources. Taxes and account types can also make two identical balances produce different spendable income.
The result can swing after a large raise because salary rises immediately while savings take time to catch up. Career breaks and variable compensation create similar distortions. The anchors also assume a conventional retirement path. Early retirement generally needs more at each age; working longer or expecting modest spending can need less. A detailed projection based on spending is more informative as retirement approaches.
These salary multiples are a common retirement-industry rule of thumb, not financial advice.
Include workplace plans, individual retirement accounts, and other investments genuinely earmarked for retirement.
The benchmark is stated against annual pre-tax salary, so that input makes the comparison consistent.
Linear interpolation creates a gradual target between each pair of anchors.
A recent raise can temporarily depress the multiple. Consider whether a representative longer-term salary gives better context.
No. The simple multiple does not value future guaranteed income.
No. Spending, timing, returns, taxes, and other income still determine the outcome.
Turn expected retirement spending into a portfolio target and timeline.
Estimate your FIRE numberMeasure how much current cash flow is available for future goals.
Check your savings rate