2026 · 1099 · Freelance · Quarterly payments

Self-Employment Tax Calculator

See how much federal tax you owe when you work for yourself: the 15.3% self-employment (SE) tax, income tax, and what to pay each quarter. Uses 2026 rates.

Your self-employment income
$
Everything clients or apps paid you, before expenses (your 1099 totals).
$
Costs you can deduct: supplies, software, fees, business miles (72.5 cents a mile in 2026).
$
Leave at 0 if you only work for yourself. Your employer already withholds tax on these wages.
$
Self-employed people can deduct their own premiums, up to their business profit.
$
Pre-tax retirement savings from your business. It lowers income tax, not self-employment tax.
Tax breakdown
Total federal tax for 2026
$0
Business profit
$0
income minus expenses
Self-employment tax
$0
Social Security + Medicare (15.3%)
Federal income tax
$0
Half of SE tax (deduction)
$0
lowers your income tax
2026 quarterly estimated payments

Federal estimate for tax year 2026 using the standard deduction. It does not include state income tax, tax credits or the qualified business income (QBI) deduction, which can lower income tax for many self-employed people.