Are these tax numbers final?

No. They are planning estimates and should be checked against IRS guidance or a tax professional.

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SELLERS + SELF-EMPLOYED

Self-Employment Tax on $80,000 (2026)

Q: What is the SE tax on $80,000?

The simplified estimate is $11,303.64.

Quick answer: On $80,000 of net self-employment profit, estimated SE tax is $11,303.64, the deduction for half is $5,651.82, and federal tax in this simplified single-filer example is about $18,830.24 total.

The calculation starts with 92.35% of net profit, then applies the 12.4% Social Security and 2.9% Medicare components under the configured 2026 assumptions. It does not include W-2 wages, credits, itemized deductions, or state income tax.

After the half-SE-tax deduction and the 2026 single standard deduction of $16,100, the simplified federal income-tax estimate is $7,526.60. Adding that to SE tax gives $18,830.24 federal tax for planning purposes.

One-quarter of the annual estimate is $4,707.56. The 2026 estimated-payment dates are April 15, June 15, September 15, 2026, and January 15, 2027.

PREFILLED CALCULATOR LIVE

Tax estimate

Measure	Estimate
Net profit	$80,000.00
SE tax	$11,303.64
Deduction for half	$5,651.82
Estimated federal income tax	$7,526.60
Total federal tax	$18,830.24
Effective rate	23.5%
Each quarterly payment	$4,707.56

What the estimate means

One-quarter of the annual estimate is $4,707.56. The 2026 estimated-payment dates are April 15, June 15, September 15, 2026, and January 15, 2027.

Frequently asked questions

How much SE tax is $80,000?

The simplified estimate is $11,303.64 before income tax and other adjustments.

When are quarterly payments due?

April 15, June 15, September 15, 2026, and January 15, 2027.

Estimates only, not tax advice. Check IRS.gov or a tax professional. Tax assumptions are from the central configuration, as of November 1, 2026.