Free Calculator
FI Number Calculator — Lean, Regular, Fat & Coast
Enter your spending, safe withdrawal rate, and the age you'd like to be FI by. The model returns your FI number and the coast-FI amount you'd need today to reach it without further contributions.
FI number
$1500000
Coast FI (needed today)
$442954
Lean FI (60% of spend)
$900000
Fat FI (200% of spend)
$3000000