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

BLS average price

How much did all gasoline types cost in December 1978?

All gasoline types averaged $0.69 per gallon in December 1978.

$0.69

per gallon in December 1978

Adjusted with CPI-U, that is about $3.50 in 2026 dollars.

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Source: U.S. Bureau of Labor Statistics Average Price Data, APU00007471A. Imported from BLS bulk time-series files (raw published monthly values).

Related historical prices

All gasoline types prices in 1978
Historical gasoline prices
All gasoline types prices in November 1978
All gasoline types prices in January 1979
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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