• W.W Grainger average operating margin for 2023 was 15.46%, a 12.68% decline from 2022.
• W.W Grainger average operating margin for 2022 was 13.72%, a 23.94% increase from 2021.
• W.W Grainger average operating margin for 2021 was 11.07%, a 33.37% increase from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.