Welcome to FI Calc
FI Calc is a calculator that evaluates retirement plans using historical data. Change the Configuration to see how it affects the Results.
All displayed values are inflation-adjusted (real dollars).
Success Rate
Simulations that sustained withdrawals for the entire retirement.
Volatile Spending
Simulations with a year-over-year spending change greater than loading%.
Large Spending
Simulations with available spending at least loading% more than the first year's available spending.
Small Spending
Simulations with available spending at least loading% less than the first year's available spending.
Large End Portfolio Value
Simulations with an end portfolio value at least loading% more than the initial portfolio value.
Small End Portfolio Value
Simulations with a nonzero end portfolio value at least loading% less than the initial portfolio value.
Portfolio Value
Median
Average
Standard deviation
Largest
Smallest
# of $0 portfolios
Hover chart for details. Click and drag to select a range.
Available Spending
Median
Average
Standard deviation
Largest
Smallest
Average lifetime spend
Hover chart for details. Click and drag to select a range.
FI Calc is supported by donations.
Please consider donating if it's been useful.Donate
Please consider donating if it's been useful.Donate