Contractor Payroll Calculator

Formula and inputs

Annualize the wage first: hourly rate times expected annual hours, commonly 2,080 for full time. The calculator divides by pay periods, estimates federal and state income tax withholding, applies Social Security and Medicare, and shows net pay. A rough 1099 comparison adds the self-employment tax difference and the overhead a subcontractor must self-fund.

Example scenario

Moving a sub to W-2

A remodeling contractor offers a long-time subcontractor a W-2 position at $38 an hour, about $79,040 annually at full-time hours, paid weekly, filing married jointly. The worker currently bills $46 an hour as a 1099 sub.

• -Annual salary: $79,040 ($38/hr x 2,080 hours)
• -Filing status: Married filing jointly
• -Pay frequency: Weekly
• -Comparison context: current 1099 rate $46/hr

The W-2 estimate shows weekly take-home after withholding, but the real comparison includes what the worker stops paying as a 1099: the self-employed half of payroll taxes, plus their own insurance and downtime risk. Stable hours and employer-covered taxes often make a lower W-2 rate financially comparable to a higher subcontract rate.

Common mistakes

• -Comparing a W-2 hourly rate directly against a 1099 rate as if the tax treatment were identical.
• -Classifying workers by what is cheaper rather than by the legal tests that actually govern classification.
• -Forgetting seasonal hour swings when annualizing trade wages for withholding estimates.

How to interpret the output

• -If the W-2 net looks low against a sub rate, compute the sub's position after self-employment tax and self-funded overhead before concluding anything.
• -Crew members on variable hours should be modeled at realistic annual hours, not theoretical full time.
• -Use the per-state outputs when bidding work across state lines; withholding and employer obligations follow the work location.

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