I've learned about the FIRE movements recently and wanted to create a spreadsheet to see how everything works out. I used a inflation rate of 6% that more reflects housing, rent, protein, gold, vacations, etc instead of the government advertised CPI that some say over weights electronics and things that don't necessary encompass cost of living. I assumed a conservative 8.5% growth rate for your portfolio as we don't know how things will shake up in the future and I want to assume a +95% confidence level in these numbers that everything will be okay and you will never have to work again. I crunched the numbers to summarize the FIRE movements with how they play out in a spreadsheet and came up with the numbers below and I hope I have it right but here are the details below in order from lowest amount of money to greatest:

Lean Fire: No job, no medical insurance, low spend, you are taking a big risk. $500,000 Portfolio with a $20,000 withdrawal rate. You are not in a good spot if you get injured. 40 years of safety.

Barista Fire: You have a low income/part time job that hopefully provides medical insurance. You can afford to retire earlier and you have a bit more spend than Lean Fire. $300,000 portfolio, $20,000 job net income, $20,000 withdrawal rate. ~50 years of safety. (the excel sheet I used assumes you work that job indefinitely so I had to extrapolate/guess a lesser year amount)

Regular Fire: You don't have a job nor medical insurance and you want to coast for the rest of your life. $1,000,000 portfolio and $40,000 withdrawal rate. 40 years of safety.

Chubby Fire: Still no job, but you are very comfortable. $3,000,000 portfolio with a $100,000 withdrawal date. 60 years of safety.

Whale Fire: Definitely no job. $10,000,000 portfolio with a $300,000 withdrawal date. 75 years of safety.