According to the U.S. Bureau of Labor Statistics, prices for breakfast cereal were 0.53% higher in 2019 versus 2018 (a $0.11 difference in value).

**Between 2018 and 2019:** Breakfast cereal experienced an average inflation rate of 0.53% per year.
In other words, breakfast cereal costing $20 in the year 2018 would cost $20.11 in 2019 for an equivalent purchase.
Compared to the overall inflation rate of 1.81% during this same period, inflation for breakfast cereal was
lower.

Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for *Breakfast cereal*:

Year |
2018 | 2019 |

CPI |
220.660 | 221.819 |

New York · Juices and nonalcoholic drinks · Airline fares · Dallas-Fort Worth, Texas ·

Below are calculations of equivalent buying power for Breakfast cereal, over time, for $20 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 | $20.00 | - |

2019 | $20.11 | 0.53%* |

CPI in 2019 / CPI in 2018 * 2018 USD value = 2019 USD value

Then plug in historical CPI values from above. The CPI for Breakfast cereal was 220.660 in the year 2018 and 221.819 in 2019:

221.819 / 220.660 * $20 =

Therefore, according to U.S. Bureau of Labor Statistics, $20 in 2018 has the same "purchasing power" as $20.11 in 2019 (in the CPI category of Breakfast cereal).