Consumer prices rose 0.4% in August. Your costs may have moved differently.

The Consumer Price Index for All Urban Consumers (CPI-U) rose 0.4% in August after seasonal adjustment. Over the 12 months ending in August, the all-items index rose 3.4% before seasonal adjustment.

Those figures describe changes in prices paid by urban consumers. They do not measure the exact cost change faced by a restaurant, retailer, contractor, consultant, manufacturer, or other individual business.

What moved in the release

The Bureau of Labor Statistics (BLS) reported that:

• gasoline rose 3.9% in August and accounted for more than one third of the monthly all-items increase;
• the energy index rose 2.1% during the month;
• shelter rose 0.3%;
• food rose 0.1%;
• food away from home rose 0.3%;
• all items less food and energy rose 0.3%.

Over 12 months, all items rose 3.4%, energy rose 16.3%, food rose 2.7%, and all items less food and energy rose 2.4%.

Why the headline is not the business's inflation rate

CPI uses a weighted basket of consumer goods and services. A business buys a different mix. Its costs can include wholesale ingredients, commercial rent, insurance, software, packaging, payroll, freight, card fees, professional services, debt, and equipment. A national consumer index cannot show how those exact invoices changed.

The release also mixes different time comparisons. The one-month figures are generally seasonally adjusted. The 12-month headline is not seasonally adjusted. Do not add the monthly rate twelve times or compare categories without checking the basis.

Build a cost view from invoices

Choose the costs that can materially change price, staffing, purchasing, or cash decisions. For each one, record:

• the current unit and price;
• the comparable price three and twelve months earlier;
• usage volume;
• contract or quote date;
• supplier and substitution options;
• the next renewal or order date;
• the effect on gross margin and cash.

Separate a higher unit price from higher usage. If the electricity bill rose because the business used more power, a price index alone will not explain it. If total food cost rose because sales volume rose, that is different from paying more for the same basket.

Use broad data as a prompt, not an excuse

The rise in gasoline can prompt a delivery business to inspect fuel, carrier, and surcharge costs. The food-away-from-home index can provide broad context for a restaurant, but it does not set the restaurant's menu price. The decision still requires its own recipe costs, labor, demand, competitor context, and contribution margin.

A business should be able to say which costs changed, by how much, on what evidence, and which decision is being considered. “Inflation is high” is not enough.

What this release does not prove

CPI does not show whether a particular supplier increase is justified, whether customers will accept a price change, or whether a business should reduce staffing or inventory. It does not measure producer prices or wages. It does not describe every place or household, and the national measure does not compare price levels between cities.

Source

• Bureau of Labor Statistics, Consumer Price Index, August 2026
• Bureau of Labor Statistics, CPI release schedule

This briefing is general information. Use the business's own invoices, payroll records, contracts, and sales data before making a price or cost decision.