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Financial tools for understanding prices, value, and purchasing power.

BLS average price

How much did midgrade gasoline cost in December 2017?

Midgrade gasoline averaged $2.78 per gallon in December 2017.

$2.78

per gallon in December 2017

Adjusted with CPI-U, that is about $3.77 in 2026 dollars.

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Source: U.S. Bureau of Labor Statistics Average Price Data, APU000074715. Imported from BLS bulk time-series files (raw published monthly values).

Related historical prices

Midgrade gasoline prices in 2017
Historical midgrade gasoline prices
Midgrade gasoline prices in November 2017
Midgrade gasoline prices in January 2018
Gas inflation calculator

Data: U.S. Bureau of Labor Statistics — CPI-U. Series CUUR0000SA0, base period 1982–84 = 100. Coverage: 1913–2026. April CPI is used for 2026 until the annual average is published.

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