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Gas Prices vs Overall Inflation (CPI)

Written by Jere Salmisto, Founder & Quantitative Systems Builder, CalcFi·Reviewed by CalcFi Editorial·Last reviewed 2026-06-02
TL;DR

US Regular Gas Price (Weekly National Average) is unavailable and Consumer Price Index (CPI) is unavailable as of 2026-06-02. Gas prices influence CPI directly (about 4% weight) and indirectly (transportation costs). Why Fed watches gas carefully.

Source: EIA via FRED (GASREGW) · BLS via FRED (CPIAUCSL)

US Regular Gas Price (Weekly National Average)
—
Unavailable· no data
2021-062026-06
Consumer Price Index (CPI)
—
Unavailable· no data
2016-062026-04

Gasoline is about 4% of the CPI basket directly, but its indirect effects (delivery costs, food transportation, airline fares) make it one of the most closely watched prices for inflation forecasters.

When gas prices spike — like 2022 — headline CPI often outpaces core CPI (which excludes energy and food). The Fed watches both because persistent gas-driven inflation can un-anchor inflation expectations even if core CPI remains stable.

For budgeting: gas prices are volatile. Budgeting based on recent highs overestimates typical costs; budgeting on recent lows underestimates. A 5-year moving average is more reliable for household budget planning.

Related comparisons

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  • CPI Inflation vs Federal Funds Rate→
  • Unemployment Rate vs CPI (Phillips Curve)→
  • 10-Year vs 2-Year Treasury Yield (Yield Curve)→

Sources & Citations

  1. US Regular Gas Price (Weekly National Average) — EIA via FRED (GASREGW) — fred.stlouisfed.org/series/GASREGW
  2. Consumer Price Index (CPI) — BLS via FRED (CPIAUCSL) — fred.stlouisfed.org/series/CPIAUCSL
  3. FRED (Federal Reserve Economic Data) — time-series archive for US macro indicators — fred.stlouisfed.org
  4. Bureau of Economic Analysis — GDP, personal income, regional data — bea.gov
Methodology & Assumptions

Values for US Regular Gas Price (Weekly National Average) come from EIA via FRED (GASREGW)[1]; values for Consumer Price Index (CPI) come from BLS via FRED (CPIAUCSL)[2]. Both series are fetched at build time and refreshed every 24 hours via ISR.

The weekly cadence for US Regular Gas Price (Weekly National Average) and monthly cadence for Consumer Price Index (CPI) mean the live value you see reflects the most recent public release, not a real-time quote.

Historical charts show the last 10 years (~260 trading days for daily series). Sparklines are visually uniform; small moves may be compressed.

Correlation and spread analyses (where present in the narrative) use Pearson correlation over the overlapping window.

CalcFi republishes publicly available government economic data[3][4] and does not provide financial advice.

Last reviewed reflects the most recent data point across both series; on ISR revalidation the visible date updates when new data arrives.

Data sourced from [1] EIA via FRED (GASREGW) and [2] BLS via FRED (CPIAUCSL). Published by CalcFi Editorial. Last reviewed 2026-06-02. CalcFi publishes publicly available government economic data and does not provide financial advice.