Most independence calculators open by asking for "annual spending" and "annual savings". Nobody knows those two numbers. You do know your rent, and you do know your 401(k) balance. Type those into the two grids below — edit a cell, add a row, sort a column — and the whole projection re-derives from them.

Want to make this yours?

Remix "FI From Your Real Numbers" into your own editable copy — tweak it, share it, make it yours.