Free calculators
The three pieces of arithmetic our courses drill, as tools. Every formula is taught in full, with worked examples, in the linked lesson.
Effective Hourly Rate
What your week actually paid you per hour of your life — the number that starts pricing conversations.
Taught in: The three numbers you track →
Runway Calculator
How many months you can live on what you have. One number, on paper, recomputed on a schedule.
Taught in: Your runway number →
Cost Floor Calculator
The hourly rate below which an hour of work loses you money — billable share, overhead, and the tax gross-up.
Taught in: Your cost floor →