• Cintas average gross margin for 2023 was 47.45%, a 2.31% increase from 2022.
• Cintas average gross margin for 2022 was 46.38%, a 0.06% increase from 2021.
• Cintas average gross margin for 2021 was 46.41%, a 1.27% decline from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.