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S SmartTaxCalcs

All Tax Calculators

10 free calculators, updated for the 2026 tax year.

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All Federal Tax (4) State & Local Tax (2) Self-Employment & Business (3) Tax Planning (1)
State & Local Tax

Sales Tax Calculator

Add state and local sales tax to any purchase amount.

Calculate → State & Local Tax

State Income Tax Calculator

Calculate state income tax for California, New York, Illinois, Texas and Florida.

Calculate →

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