The calculator itself is free forever, no account required. Premium adds the tools for tracking your plan over time and seeing a realistic range of outcomes instead of one straight line.
Free
$0 forever
Full Coast FIRE calculator, unlimited use
No account required
Save 1 scenario with a free account
Premium
$8/mo or $69/yr
Unlimited saved scenarios, compared side by side
Net worth check-ins: actual vs. projected over time
Monte Carlo probability bands (10th/50th/90th percentile)