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

BLS average price

How much did midgrade gasoline cost in May 2018?

Midgrade gasoline averaged $3.19 per gallon in May 2018.

$3.19

per gallon in May 2018

Adjusted with CPI-U, that is about $4.23 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 2018
Historical midgrade gasoline prices
Midgrade gasoline prices in April 2018
Midgrade gasoline prices in June 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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