TaxHQ

Self-employment tax

Schedule SE tax on net profit (15.3% on 92.35% with the SS wage-base cap) plus the half-SE above-the-line deduction. Set QBI eligibility for the § 199A 20% deduction below the income threshold.

Tax year

Filing

Resolves your state + any local jurisdiction (NYC, Yonkers, Philly, etc.).

Schedule C

Schedule C gross income minus business expenses. Drives both Schedule SE tax and the federal bracket math after the half-SE deduction.

QBI § 199A

20% of qualified business income, capped at 20% of taxable income. SSTB phase-out and W-2 wage limits not modeled in v1.

Total tax bill (2025)

$—

Enter Schedule C net profit to see SE tax + federal/state.

Schedule SE tax

$—

12.4% SS + 2.9% Medicare on 92.35% of net profit

Half-SE deduction

$—

Above-the-line federal deduction (§ 164(f))

Federal income tax

$—

QBI deduction

$—

20% of QBI

Schedule SE walkthrough

Net profit$—
Net earnings (× 0.9235)$—
SS portion (12.4%, capped at SS base)$—
Medicare portion (2.9%, no cap)$—
Total SE tax$—