Cintas Corporation (CTAS)

Net profit margin

		May 31, 2025	Feb 28, 2025	Nov 30, 2024	Aug 31, 2024	May 31, 2024	Feb 29, 2024	Nov 30, 2023	Aug 31, 2023	May 31, 2023	Feb 28, 2023	Nov 30, 2022	Aug 31, 2022	May 31, 2022	Feb 28, 2022	Nov 30, 2021	Aug 31, 2021	May 31, 2021	Feb 28, 2021	Nov 30, 2020	Aug 31, 2020
Net income (ttm)	US$ in thousands	1,812,281	1,778,340	1,712,422	1,638,540	1,571,592	1,503,478	1,431,726	1,381,406	1,348,010	1,296,270	1,285,891	1,256,267	1,235,757	1,209,018	1,151,954	1,142,142	1,110,968	987,831	963,967	925,230
Revenue (ttm)	US$ in thousands	10,340,180	10,143,470	9,940,480	9,755,880	9,596,620	9,410,150	9,193,970	8,991,650	8,815,770	8,605,990	8,376,540	8,123,960	7,854,460	7,615,430	7,431,950	7,266,720	7,116,350	6,900,270	6,933,860	7,020,560
Net profit margin		17.53%	17.53%	17.23%	16.80%	16.38%	15.98%	15.57%	15.36%	15.29%	15.06%	15.35%	15.46%	15.73%	15.88%	15.50%	15.72%	15.61%	14.32%	13.90%	13.18%

May 31, 2025 calculation

Net profit margin = Net income (ttm) ÷ Revenue (ttm)
= $1,812,281K ÷ $10,340,180K
= 17.53%

The net profit margin of Cintas Corporation demonstrates a general upward trend over the analyzed period, reflecting improved profitability and operational efficiency. Starting from a margin of approximately 13.18% on August 31, 2020, the ratio gradually increased, reaching 17.53% by February 2025. Notable fluctuations occur within this timeframe, with temporary decreases observed in late 2022 and early 2023, such as a dip to 15.06% on February 28, 2023, and 15.29% on May 31, 2023.

Despite these fluctuations, the overall trajectory remains positive, with consistent growth in net profit margins. The ratio between November 2023 and February 2024 shows a significant increase from 15.57% to 15.98%, continuing upward to 16.80% in August 2024, and ultimately reaching 17.53% in February 2025. This steady ascent suggests that Cintas has been effective in enhancing profitability margins over time, potentially due to operational efficiencies, cost management, or revenue growth strategies.

In summary, the company's net profit margin exhibits a resilient and sustained increase over the analyzed period, indicating a strengthening position in terms of profitability and operational leverage.