Inflation jumped by 9.1% in June, the fastest since 1981. How does your 'personal inflation rate' compare?

cnbc.com:

Inflation jumped to a new 40-year high in June, the U.S. Bureau of Labor Statistics reported Wednesday. That means the prices Americans pay at the gas pump, grocery store and elsewhere have been rising much faster than normal this year.

That may lead you to wonder: How much have my personal household costs increased, and how does that stack up against the average American's?

Calculating your personal inflation rate can help answer these questions.

The Consumer Price Index is a common inflation measure. Households paid 9.1% more money in June 2022 for a broad basket of goods and services relative to that same basket in June 2021 — the largest annual jump since December 1981.

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However, your basket is likely different. For one, purchases and consumption habits vary from household to household, based on factors such as income, age and geography, according to Brian Bethune, an economist and professor at Boston College.

This means your personal inflation rate likely diverges from the U.S. average, too.

There are a few ways to calculate your inflation rate. The pitfalls of such a calculation came into focus earlier this month when Nikki Haley, former U.S. ambassador to the United Nations during the Trump administration, tweeted an incorrect estimate for a July Fourth cookout.

(Her tweet, which has since been deleted, pegged a barbecue as 67.2% more expensive relative to last year. By comparison, the American Farm Bureau Federation said costs had increased 17% — a much smaller rise, though still elevated. President Joe Biden cited