The toolbox

Tools for your FU money

Each one answers a different question on the road to financial independence. Free and private — calculator inputs stay in your browser.

🎯
Flagship

FU Number

How big your portfolio needs to be to never have to work again — plus a timeline to get there.

~30 seconds
🛫

Freedom Runway

See how many months or years your current savings can fund your freedom before they run out.

~30 seconds
📝

FU Money Goal Tracker

A printable one-page worksheet to set your number, track progress, and plan your freedom.

Printable · 1 page
📈

Savings Rate & Timeline

How your savings rate sets the number of years until financial independence.

~30 seconds
🏖️

Coast FIRE

The point where you can stop contributing and let your investments coast to FI.

~30 seconds
☕

Barista / Part-time FIRE

How much smaller your number gets if light work covers part of your expenses.

~30 seconds
🌱

Compound Growth

Watch savings snowball — and see what one more year of investing adds.

~30 seconds
⚖️

Lean / Regular / Fat FU

Compare three FU numbers at once for three different lifestyles.

~30 seconds
📉

Inflation Adjuster

What today's money — or your FU number — will really cost in the future.

~30 seconds
☕

Cost of a Habit

Turn a daily coffee into its real drag on your FU number.

~30 seconds