How to Use the Coast FIRE Calculator

Using the Coast FIRE Calculator on BudgetPlanner.co is simple and fast. Here's how it works:

Enter your current age and the age you plan to retire.
Input your current savings and the annual spending you expect during retirement (in today's dollars).
Adjust the annual investment return rate and inflation rate to match your long-term financial outlook.
Click Calculate to instantly see your Coast FIRE number — the amount of money you need today to stop saving for retirement.
This tool is ideal for those seeking clarity and control over their financial independence journey.