Total tax on your 1099 income, plus quarterly payments.
Educational estimate using 2026 figures. Not tax advice.
We compute SE tax on net profit, then federal income tax on income after the deductible half of SE tax, the standard deduction and a 20% QBI deduction; total is split into four quarters.
Plan your self-employed taxes with our free tools.
First by self-employment tax, then by ordinary income tax on what’s left. This tool runs both and is smart about deductions: before applying the brackets it subtracts the deductible half of SE tax, your standard deduction, and a simplified 20% QBI deduction.
Most 1099 workers reserve a quarter to a third of net income for taxes. Claim every honest expense — it lowers both your SE tax and income tax — and pay quarterly to avoid penalties (see the quarterly calculator).
SE tax (15.3% on 92.35% of net) plus federal income tax — often 20–35% combined.
Yes — a simplified 20% QBI deduction is applied.
Not included — add your state's rate separately.
No — it's an estimate.