Retirement calculators
Start with a quick number, then stress-test your plan. These free calculators cover retirement targets, the 4% rule, Coast FIRE and Barista FIRE.
Retirement Number Calculator
Estimate your target portfolio from spending, withdrawal rate and income sources.
4% Rule Calculator (25x)
Use the 25x expenses rule and compare 4%, 3.5% and 3% assumptions.
Coast FIRE Calculator
Find how much you need invested now so compounding can carry you to retirement.
Barista FIRE Calculator
Calculate the portfolio needed when part-time income covers part of your expenses.