1099 · Self-employed
1099 Tax Calculator
Contractor estimates need a self-employment tax module distinct from W-2 withholding. The architecture is ready; the rules are not yet registered.
Official data required
- IRS 2026 self-employment tax rate, wage base and the deductible-half rule
- 2026 qualified business income deduction parameters
- IRS 2026 quarterly estimated payment due dates and safe-harbour thresholds
- New York State and NYC treatment of self-employment income
Already in place
- Tax year and jurisdiction registry
- Bracket evaluation helper in the calculation engine
- Currency and percentage formatting layer
Calculations are estimates for informational purposes and are not tax, legal, or financial advice. Actual withholding and take-home pay may differ.