FIREmap is a free FIRE calculator that gives personalized projections based on your age, income, expenses, savings, and dependents. What makes it different: • Shareable URLs - encode your exact inputs in the URL and share with anyone • Dependents adjustment - automatically adjusts expenses based on number of kids • All FIRE variants - Lean, Fat, Coast, Barista FIRE + the 4% Rule explained • Instant results - no sign-up, no ads, no paywall Built for anyone serious about retiring early.