Advanced Tax Calculator (Corrected Formulas)
Comprehensive federal + state tax estimator with corrected FICA, NIIT, EITC, QBI deduction, and capital gains calculations.
Important: This is an educational estimate only. Consult a tax professional for advice specific to your situation.
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Documentation & Sources
All tax rates, brackets, deductions, and credits are sourced from official IRS and state tax authorities.
Federal Tax Law (2025):
Utah State Tax:
California State Tax:
2025 Key Updates
- New: $6,000 additional deduction for taxpayers 65+ (per person)
- Standard deduction: Single $15K, Married $30K, HOH $22.5K
- Child Tax Credit: $2,200 (up from $2,000), $1,700 refundable
- Social Security wage base: $176,100 (up from $168,600)
- 401(k) limit: $23,500 + $7,500 catch-up (50+)
- HSA limits: Single $4,300, Family $8,550 + $1K catch-up (55+)
- IRA limit: $7,000 + $1,000 catch-up (50+)