S-Corp Salary Calculator

Model reasonable compensation using market data + payroll tax + Solo 401(k) capacity + simplified QBI. Not tax advice.

Business profit (QBI base)

Pass-through profit used for QBI (simplified).

W-2 salary

Reasonable compensation anchor.

Filing status

Used for QBI thresholds.

Taxable income estimate

Used for the QBI phase-in/phase-out check. (You can set this to your expected taxable income.)

SSTB (service business) toggle

If you consider yourself an SSTB, QBI can phase out in the high-income range.

Age 50+

Enables catch-up contributions in the Solo 401(k) outputs.

Levels.fyi role slug

Example: software-engineer

Levels.fyi location slug

Example: omaha-area

Loading Levels.fyi stats…

Social Security wage base

Used for combined SS tax calculation.

QBI phase-in start (Single)

QBI phase-out end (Single)

QBI phase-in start (MFJ)

QBI phase-out end (MFJ)

QBI here is a simplified visualization. Real QBI depends on taxable income, W-2 wages, property, and whether you are an SSTB.

Employee deferral limit

Catch-up (50+)

Total plan limit

Allow after-tax contributions

Enables "mega backdoor" style modeling (plan must support it).

Defensibility (market)

No market data loaded

Payroll taxes (combined)

$15,606

SS: $12,648 • Medicare: $2,958

Solo 401(k) max capacity

$72,000

Employee: $24,500 • Employer: $25,500 • After-tax: $22,000

QBI (simplified)

$50,000

Max: $50,000 • Wage cap: $51,000

Reminder: "Reasonable compensation" is facts-and-circumstances. Save your market data and a short memo for your records.