Prescription drugs priced at $10 in 2018 $10.13 in 2020

Prescription Drugs Inflation Calculator

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Prices for Prescription Drugs, 2018-2020 ($10)

According to the U.S. Bureau of Labor Statistics, prices for prescription drugs were 1.27% higher in 2020 versus 2018 (a $0.13 difference in value).

Between 2018 and 2020: Prescription drugs experienced an average inflation rate of 0.63% per year. In other words, prescription drugs costing $10 in the year 2018 would cost $10.13 in 2020 for an equivalent purchase. Compared to the overall inflation rate of 1.37% during this same period, inflation for prescription drugs was lower.

Price Inflation for Prescription drugs since 2018

Consumer Price Index, U.S. Bureau of Labor Statistics
Years with the largest changes in pricing: 2020 (1.50%), and 2019 (-0.23%).

Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Prescription drugs:

Year 2018 2019 2020
CPI 528.008 526.785 534.690

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Buying power of $10 since 2018

Below are calculations of equivalent buying power for Prescription drugs, over time, for $10 beginning in 2018. Each of the amounts below is equivalent in terms of what it could buy at the time:

Year USD Value Inflation Rate
2018 $10.00 -
2019 $9.98 -0.23%
2020 $10.13 1.50%*
* Not final. See inflation summary for latest details.

How to calculate the inflation rate for prescription drugs, 2018-2020

Start with the inflation rate formula:

CPI in 2020 / CPI in 2018 * 2018 USD value = 2020 USD value

Then plug in historical CPI values from above. The CPI for Prescription drugs was 528.008 in the year 2018 and 534.690 in 2020:

534.690 / 528.008 * $10 = $10.13

Therefore, according to U.S. Bureau of Labor Statistics, $10 in 2018 has the same "purchasing power" as $10.13 in 2020 (in the CPI category of Prescription drugs).


Source: U.S. Bureau of Labor Statistics began tracking the Consumer Price Index for Prescription drugs in 2018. In addition to prescription drugs, the index produces monthly data on changes in prices paid by urban consumers for a variety of goods and services.

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