# StatePaychecks.com — 2026 Paycheck & Tax Engine Data

**Canonical URL:** https://statepaychecks-1b8.pages.dev/
**Tax Year:** 2026 (IRS Federal Rules & 50 US States)

## 2026 Federal Tax Constants
- **Standard Deduction:** Single: $16,100 | Married Filing Jointly: $32,200 | Head of Household: $24,150
- **Social Security (OASDI):** 6.2% on wages up to $184,500 maximum (Employee cap: $11,439.00)
- **Medicare (HI):** 1.45% on all earnings (no ceiling)
- **Additional Medicare Tax:** +0.9% on earnings exceeding $200,000 (Single) or $250,000 (Married)
- **Federal Supplemental Bonus Withholding:** 22% flat up to $1M (37% over $1M)

## Calculation Models
1. **Taxable Income** = max(0, Gross - PreTax Deductions - Standard Deduction)
2. **Social Security** = min(Gross, 184500) * 0.062
3. **Medicare** = (Gross * 0.0145) + max(0, Gross - Threshold) * 0.009
4. **Net Take-Home** = Gross - (Federal Tax + State Tax + Social Security + Medicare + Deductions)

## Available API & Calculator Hubs
- Paycheck Calculators: https://statepaychecks.com/paycheck-calculator/[state-slug]
- Overtime & "No Tax on Overtime": https://statepaychecks.com/overtime-calculator
- Salary Calculators: https://statepaychecks.com/salary-calculator/[state-slug]
- Hourly & Overtime Calculators: https://statepaychecks.com/hourly-calculator/[state-slug]
- Supplemental Bonus Tax: https://statepaychecks.com/bonus-tax-calculator/[state-slug]
- Employer Gross-Up Calculator: https://statepaychecks.com/gross-up-calculator/[state-slug]

For machine-readable index of all endpoints, see https://statepaychecks.com/llms.txt