Idaho Paycheck
Calculator
Estimate your Idaho take-home pay. See federal tax, Idaho state tax, Social Security and Medicare withheld from your paycheck.
Estimate Your Idaho Paycheck
Enter your pay details below. This is an estimate for informational purposes only.
Estimated Results (per pay period)
This calculator provides estimates only and is not tax, legal or accounting advice. Federal tax uses the 2026 IRS withholding formula (Publication 15-T, Worksheet 1A) assuming a standard Form W-4 with no additional adjustments. Idaho state tax uses the official 2026 withholding formula from Idaho State Tax Commission — Publication EPB00744, eff. 07-23-2026, assuming standard withholding with no additional allowances or credits. It also uses the 2026 Social Security wage base. It assumes Single or Married Filing Jointly status, does not account for local taxes, additional allowances/credits, overtime rules or benefit-specific pre-tax treatment (pre-tax deductions are assumed to reduce wages subject to withholding). Actual withholding depends on your W-4, employer payroll system and individual circumstances. Consult a tax professional or payroll provider for exact figures.
Sources: IRS Publication 15-T (2026), Idaho State Tax Commission — Publication EPB00744, eff. 07-23-2026, Social Security Administration. Last verified: August 14, 2026.
How Idaho Paycheck Withholding Works
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Frequently Asked Questions
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