How to use the FIRE Calculator
Fill in the fields on the left. Results, charts and the breakdown update instantly as you type or move a slider. Pick your country at the top of the page to switch currency.
Formula
FIRE number = Yearly expenses ÷ safe withdrawal rate
(at 4%, that is 25 × yearly expenses)
Frequently asked questions
What is the 4% rule?
Research on US markets found that withdrawing 4% of a portfolio in year one, then adjusting for inflation, lasted at least 30 years in most historical periods.
Results are estimates for information only and are not financial, tax or legal advice. Tax rules, interest rates and fees change, so confirm important numbers with your bank, employer or a qualified adviser. Read our disclaimer.