Effective Tax Rate Calculator

What Is Effective Tax Rate?

Your effective tax rate is the average rate at which your income is taxed. Unlike your marginal tax rate (the rate on your last dollar of income), the effective rate reflects the blended impact of all federal tax brackets applied to your taxable income. For example, a single filer with $100,000 taxable income in 2026 does not pay 22% on the entire amount — only the portion above $47,150 is taxed at 22%, while lower portions are taxed at 10% and 12%. The result is an effective rate of approximately 16.5%, significantly below the marginal 22% bracket. Understanding effective vs marginal rate prevents overestimating tax liability. Source: IRS Revenue Procedure 2025-19.

2026 Federal Tax Brackets (OBBB-Adjusted)

The IRS adjusts tax brackets annually for inflation. For tax year 2026 (filed in early 2027), the seven federal income tax rates remain 10%, 12%, 22%, 24%, 32%, 35%, and 37%. The One Big Beautiful Bill Act (OBBB, P.L. 119-21, signed July 4, 2025) made permanent many provisions previously set to expire. Key 2026 single filer thresholds: 10% up to $11,925, 12% up to $48,475, 22% up to $103,350, 24% up to $197,300, 32% up to $250,525, 35% up to $626,350, and 37% above $626,350. Married filing jointly thresholds are roughly double. Standard deductions: $15,700 single, $31,400 married filing jointly. Source: IRS 2026 inflation adjustments.

How to Lower Your Effective Tax Rate

Common strategies include maximizing pre-tax contributions to 401(k) plans ($23,500 limit in 2026, $31,000 if age 50+), contributing to traditional IRAs ($7,000 limit, $8,000 if 50+), utilizing health savings account (HSA) deductions, taking the standard deduction vs itemizing (whichever yields a lower taxable income), and timing income recognition across tax years. For self-employed individuals, deductible business expenses and the Qualified Business Income (QBI) deduction under Section 199A can significantly reduce effective rates. Taxpayers in the 32%+ brackets should evaluate Roth conversion strategies — paying tax now at a known rate to avoid potentially higher future rates. Use our Traditional vs Roth IRA calculator to compare.

Effective Tax Rate vs Marginal Tax Rate

The marginal tax rate applies only to income within a specific bracket — your "last dollar" rate. The effective tax rate is your total tax divided by total taxable income. A single filer earning $200,000 has a marginal rate of 32% but an effective rate of approximately 23.4%. This distinction matters for financial planning: use marginal rate to evaluate whether an additional dollar of income (bonus, freelance work) is worth it after tax, and use effective rate to understand your overall tax burden as a percentage of income. Both rates are important, and this calculator shows both. Last updated May 2026.