Business tax guide
How Much Should I Set Aside for Taxes?
Know what is not really yours yet.
Turn self-employed income into a practical tax reserve habit.
Run the related calculatorRun the estimate
Self-Employed Tax
Protect the cash
Weekly Checklist
The reserve problem
A flat percentage is a useful habit, but it should be checked against net profit, self-employment tax, withholding, state assumptions, and payments already made.
The better move
Use a recurring reserve transfer and revisit it after a large invoice, deduction change, or withholding update.
Tax planning boundary
This guide is educational planning content. Tax rules, thresholds, forms, deadlines, and state rules can change. Use the linked calculators to expose assumptions, then verify filing positions with current IRS forms, tax software, or a qualified tax professional.
For a useful first pass, enter conservative numbers and save the aggressive assumptions for a separate scenario. The page is meant to show which variable deserves attention: income timing, deduction proof, payroll cost, reserve percentage, entity choice, or the gap between booked income and cash actually collected.