Adjust Gasoline for Inflation
Use this Gas Inflation Calculator to find historical gas prices on a certain date (from 1976 - 2014) and to adjust gasoline for inflation in April 2014 dollars.
This tool uses the latest US inflation data from the U.S. government, published on May 15, 2014. Read how it works.
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The U.S. "Inflation Week" kicks off, with Morgan Stanley predicting that Tuesday's CPI data could be "more explosive." - 富途牛牛May 11, 2026
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Trump seeks to pause federal gas tax as prices soar amid Iran conflict - The Washington PostMay 11, 2026
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Trump says he supports suspending US gas tax after prices remain high - ReutersMay 11, 2026
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Former US energy secretary suggests increasing refining capacity to help reduce gas prices - Fox BusinessMay 11, 2026
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Trump says he would support suspending the federal gas tax - NBC NewsMay 11, 2026
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US Unleashes Another Wave of Emergency Oil as Gas Prices Bite - Bloomberg.comMay 11, 2026
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How the Gas Inflation Calculator Works
The Gas Inflation Calculator relies on two major U.S. government providers of gasoline and inflation data to list historical averages for gas prices and to adjust gas prices for inflation. These data providers are the eia, the U.S. Energy Information Administration, and the Bureau of Labor Statistics (BLS).
The eia offers a monthly breakdown of various data categories that include the national average for the price of regular gasoline. The data range is from January 1976 to the current previous month. BLS data includes monthly and annual readings of the Consumer Price Index, or CPI, which is the U.S. government's key reading for inflation. To get this, each month the BLS collects consumer prices from around the nation. The BLS monitors over 200 specific categories of goods and services. In calculating the CPI, it compares the most recent pricing data for a month to the previous month.
In essence, the formula powering the Gas Inflation Calculator starts with a selected month's gas price as published by the eia. It then pulls the BLS provided CPI for that month as well the most current monthly CPI to calculate the increase or decrease in inflation. From that result, the inflation change is applied to the original gas price and the inflation-adjusted gasoline price is the result.