The Inflation Tax: How Frozen Tax Codes Cost You $2,600/Year

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Your Inflation Penalty Calculator

Four inputs. That's all we need to show you how much frozen tax codes cost your household every year.

Inflation Penalty Estimator

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Household Income ?Annual gross income before deductions or taxes

Filing Status ?How you file your federal tax return

Dependents < 17 ?Children under 17 claimed on your return

Zip Code ?Used to find your Congressional rep

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Your Estimated Annual Inflation Penalty

$0

Cost Over 10 Years

$0

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The Evidence

The Receipts: Frozen vs. Inflation-Adjusted Thresholds

Every row represents an IRS provision not fully indexed to inflation — and the real cost to taxpayers.

IRS Code / Provision	Year Set	Frozen Value	CPI-Adjusted (2025 est.)	Annual Gap / HH

* CPI adjustments use BLS CPI-U (CUUR0000SA0). 2025 annual average estimated from monthly data through Jan 2026. "Annual Gap" = estimated tax savings lost per applicable household at 22% marginal rate for deductions; dollar-for-dollar for credits. Sources: IRS.gov, BLS, Tax Foundation.

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Transparency

About Our Methodology

Full documentation of data sources, calculations, and assumptions — designed to withstand scrutiny.

Inflation Adjustment Formula

Every "CPI-Adjusted Value" uses the BLS CPI-U All Urban Consumers (CUUR0000SA0) — the same index the IRS uses for indexed provisions.

Adjusted Value = Frozen Value × (CPI_2025 / CPI_YearSet)

CPI_2025 ≈ 322.0 (BLS CPI-U estimated annual average, 2025)

CPI Reference Values

1986: 109.6 → 2.938x 2001: 177.1 → 1.818x 2013: 233.0 → 1.382x
1997: 160.5 → 2.006x 2002: 179.9 → 1.790x 2017: 245.1 → 1.314x
2009: 214.5 → 1.501x 2018: 251.1 → 1.282x

Calculator Methodology

The calculator sums the tax-impact gap across applicable frozen provisions based on filing status, dependents, and income.

For deductions: Tax Impact = (CPI-Adjusted − Frozen) × Marginal Rate
For credits: Tax Impact = (CPI-Adjusted − Frozen) × 1.0 (dollar-for-dollar)

Total Penalty = Σ (all applicable provision impacts)

Conservative Bias

We exclude: state-level frozen thresholds, compounding multi-year effects, employer-side impacts, and partially-offset provisions. The real cost is almost certainly higher.

Data Sources

Bureau of Labor Statistics — CPI-U, Series CUUR0000SA0
Internal Revenue Service — Revenue Procedures, Publications 17, 501, 503, 970
Tax Foundation — "Inflation Indexing in the Individual Tax Code"
Congressional Research Service — Reports on tax indexation
Joint Committee on Taxation — Federal Tax Expenditure estimates
Congressional Budget Office — Budget and Economic Outlook

Disclaimer

Estimates for educational and advocacy purposes only. Not tax advice. Individual situations vary. CPI data based on BLS reports through January 2026; 2025 annual average estimated from available monthly data.

Common Questions

The Inflation Tax: Why Your Dollars Don't Go As Far As You Think