What is WorthCay?
WorthCay is a free Coast FIRE calculator and FIRE progress tracker. Calculate your Coast FIRE number, full FIRE number, and years to coast — then save the plan and compare Actual vs Goal as your portfolio changes.
Key features
- Instant Coast FIRE number, FIRE number, and years-to-coast projection
- Adjustable assumptions: return rate, inflation, and safe withdrawal rate (SWR)
- Demo dashboard with Actual vs Goal without creating an account
- Optional free account to save goals and progress history
- Clear guides on Coast FIRE vs traditional FIRE
Who it is for
Anyone exploring Coast FIRE, FIRE, or net-worth-based retirement planning who wants a clear number without maintaining a heavy spreadsheet.
Links
- Website: https://worthcay.com
- Calculator: https://worthcay.com/#calculator
- Demo: https://worthcay.com/dashboard?demo=true
Pricing: Free for the public calculator. Accounts are optional for saving plans.






