Ultimate FIRE Number Calculator: How Much Financial Freedom Do You Really Need? Let’s FIRE It Out!

Ready to crunch the numbers and take control of your financial future?

Dreaming of quitting your job and living off your investments—like that trusty ISA you’ve been diligently topping up? This simple FIRE (Financial Independence, Retire Early) calculator helps you figure out exactly how much you need to call it quits without diving into complicated spreadsheets or mysterious hedge funds. Whether you’re aiming for a minimalist life (Lean FIRE), something comfy and sensible (Standard), or a slightly bougie early retirement (Fat FIRE), we’ve got the maths covered. Just tweak the numbers and see your FIRE number — no stress, no jargon, and definitely no avocado toast shaming.