What is the current annual gross margin of CTAS?

As of today, CTAS annual gross margin is 50.67%

What is 1-year change in CTAS annual gross margin?

CTAS annual gross margin is up +5.15% year-over-year

What is 3-year change in CTAS annual gross margin?

CTAS annual gross margin is up +7.03% over the past 3 years

How far is CTAS annual gross margin from its all-time high?

CTAS annual gross margin is currently at its all-time high

How does CTAS annual gross margin rank versus sector peers?

CTAS annual gross margin is higher than 91.69% of companies in Industrials sector

When is CTAS next annual earnings release?

As of today, the next annual earnings release for CTAS has not been scheduled

What is the current quarterly gross margin of CTAS?

As of today, CTAS quarterly gross margin is 50.95%

What is CTAS quarterly gross margin most recent change?

CTAS quarterly gross margin was up +3.41% on May 31, 2026

What is 1-year change in CTAS quarterly gross margin?

CTAS quarterly gross margin is up +6.04% year-over-year

How far is CTAS quarterly gross margin from its all-time high?

CTAS quarterly gross margin is currently -46.38% below its historical high of 95.02% set on February 28, 1999

How does CTAS quarterly gross margin rank versus sector peers?

CTAS quarterly gross margin is higher than 91.79% of companies in Industrials sector

When is CTAS next earnings release?

The next earnings release for CTAS is on September 23, 2026

CTAS Gross Margin History & Chart Since 1980

Annual Gross Margin

50.67%2.48%+5.15%

May 31, 2026

Summary

Current Value: As of today, CTAS annual gross margin is 50.67%, up +5.15% on May 31, 2026
Historical Performance: CTAS annual gross margin is up +7.03% over the past 3 years, up +8.78% over the past 5 years
All-Time High Comparison: CTAS annual gross margin is currently at its all-time high
3-Year Low Comparison: CTAS annual gross margin is +7.81% above its 3-year low of 47.00% reached on May 31, 2024
Sector Comparison: CTAS annual gross margin is higher than 91.69% of companies in Industrials sector

Gross Margin Chart

Performance

CTAS Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Gross Margin	May 31, 26	50.67%	+5.2%	+7.0%	+8.8%	+20.0%
Quarterly Gross Margin	May 31, 26	50.95%	+6.0%	+6.9%	+8.9%	+19.1%
Price	Jul 24, 26	$205.91	-7.6%	+61.3%	+108.3%	+2296.4%
PE Ratio	Jul 24, 26	41.95	-17.2%	+6.7%	+8.7%	+105.0%
Annual Revenue	May 31, 26	$11.26B	+8.9%	+27.8%	+58.3%	+195.6%
Annual Gross Profit	May 31, 26	$5.71B	+14.5%	+36.8%	+72.2%	+254.7%
Annual Operating Margin	May 31, 26	23.27%	+2.0%	+13.8%	+19.5%	+101.3%
Annual Net Margin	May 31, 26	17.75%	+1.6%	+16.6%	+14.5%	+175.2%

Gross Margin Highs

CTAS Annual Gross Margin Highs Comparison
Period	High	Date	Current
3Y	50.67%	May 31, 26	at high
5Y	50.67%	May 31, 26	at high
All	50.67%	May 31, 26	at high

Gross Margin Lows

CTAS Annual Gross Margin Lows Comparison
Period	Low	Date	Current
3Y	47.00%	May 31, 24	+7.8%
5Y	46.24%	May 31, 22	+9.6%
All	0.00%	May 31, 86	N/A

Gross Margin History

Year	Value	Change
2026	50.67%	+5.1%
2025	48.19%	+2.5%
2024	47.00%	-0.7%
2023	47.34%	+2.4%
2022	46.24%	-0.7%
2021	46.58%	+2.1%
2020	45.64%	+0.6%
2019	45.39%	+1.1%
2018	44.91%	+0.4%
2017	44.71%	+2.0%
2016	43.82%	+2.1%
2015	42.92%	+2.0%
2014	42.06%	+1.6%
2013	41.40%	-2.3%
2012	42.38%	+0.4%
2011	42.23%	+0.0%
2010	42.22%	+2.8%
2009	41.09%	-3.8%
2008	42.70%	+0.1%
2007	42.66%	-0.2%
2006	42.74%	+0.5%
2005	42.54%	+0.9%
2004	42.16%	+1.2%
2003	41.66%	-1.2%

Year	Value	Change
2002	42.16%	+1.6%
2001	41.48%	+1.2%
2000	40.99%	+4.8%
1999	39.10%	-4.0%
1998	40.73%	+0.8%
1997	40.39%	+0.5%
1996	40.17%	+1.3%
1995	39.64%	-1.2%
1994	40.11%	-0.8%
1993	40.44%	+2.6%
1992	39.41%	-1.5%
1991	40.01%	+0.9%
1990	39.65%	+1.2%
1989	39.17%	-2.3%
1988	40.11%	-1.7%
1987	40.80%	>+9,900.0%
1986	0.00%	-100.0%
1985	38.21%	-3.6%
1984	39.62%	+7.3%
1983	36.94%	-21.9%
1982	47.30%	-1.4%
1981	47.99%	+0.4%
1980	47.78%	-

FAQ

What is the current annual gross margin of CTAS?
As of today, CTAS annual gross margin is 50.67%
What is 1-year change in CTAS annual gross margin?
CTAS annual gross margin is up +5.15% year-over-year
What is 3-year change in CTAS annual gross margin?
CTAS annual gross margin is up +7.03% over the past 3 years
How far is CTAS annual gross margin from its all-time high?
CTAS annual gross margin is currently at its all-time high
How does CTAS annual gross margin rank versus sector peers?
CTAS annual gross margin is higher than 91.69% of companies in Industrials sector
When is CTAS next annual earnings release?
As of today, the next annual earnings release for CTAS has not been scheduled

Gross Margin Formula

Gross Margin = Gross Profit

Revenue × 100%

Quarterly Gross Margin

50.95%1.68%+3.41%

May 31, 2026

Summary

Current Value: As of today, CTAS quarterly gross margin is 50.95%, up +3.41% on May 31, 2026
Historical Performance: CTAS quarterly gross margin is up +6.04% year-over-year, up +6.90% over the past 3 years
All-Time High Comparison: CTAS quarterly gross margin is currently -46.38% below its historical high of 95.02% set on February 28, 1999
3-Year Low Comparison: CTAS quarterly gross margin is +9.90% above its 3-year low of 46.36% reached on November 30, 2023
Sector Comparison: CTAS quarterly gross margin is higher than 91.79% of companies in Industrials sector

Performance

CTAS Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Gross Margin	May 31, 26	50.95%	+3.4%	+6.0%	+6.9%	+8.9%
Annual Gross Margin	May 31, 26	50.67%	–	+5.2%	+7.0%	+8.8%
Price	Jul 24, 26	$205.91	+17.1%	-7.6%	+61.3%	+108.3%
PE Ratio	Jul 24, 26	41.95	+13.0%	-17.2%	+6.7%	+8.7%
Quarterly Revenue	May 31, 26	$2.91B	+2.2%	+8.9%	+27.2%	+58.3%
Quarterly Gross Profit	May 31, 26	$1.48B	+5.7%	+15.5%	+36.0%	+72.3%
Quarterly Operating Margin	May 31, 26	23.65%	+1.9%	+5.6%	+14.8%	+21.8%
Quarterly Net Margin	May 31, 26	17.59%	-0.2%	+5.1%	+16.5%	+21.4%

Quarterly Gross Margin Highs

CTAS Quarterly Gross Margin Highs Comparison
Period	High	Date	Current
1Y	50.95%	May 31, 26	at high
3Y	50.95%	May 31, 26	at high
5Y	50.95%	May 31, 26	at high
All	95.02%	Feb 28, 99	-46.4%

Quarterly Gross Margin Lows

CTAS Quarterly Gross Margin Lows Comparison
Period	Low	Date	Current
1Y	48.05%	N/A	+6.0%
3Y	46.36%	Nov 30, 23	+9.9%
5Y	45.61%	May 31, 22	+11.7%
All	35.15%	Aug 31, 99	+45.0%

Quarterly Gross Margin History

Month	Value	Change
May 2026	50.95%	+3.4%
Feb 2026	49.27%	+1.1%
Nov 2025	48.72%	+0.5%
Aug 2025	48.50%	+0.9%
May 2025	48.05%	-1.3%
Feb 2025	48.68%	+1.4%
Nov 2024	48.03%	-0.3%
Aug 2024	48.19%	+1.5%
May 2024	47.50%	-0.4%
Feb 2024	47.68%	+2.8%
Nov 2023	46.36%	-1.6%
Aug 2023	47.09%	-1.2%
May 2023	47.66%	+0.9%
Feb 2023	47.22%	+0.4%
Nov 2022	47.01%	-0.9%
Aug 2022	47.46%	+4.1%
May 2022	45.61%	-0.4%
Feb 2022	45.81%	-0.5%
Nov 2021	46.05%	-3.2%
Aug 2021	47.59%	+1.7%
May 2021	46.80%	+2.7%
Feb 2021	45.55%	-2.4%
Nov 2020	46.66%	-1.4%
Aug 2020	47.30%	+8.2%
May 2020	43.70%	-4.0%
Feb 2020	45.53%	-1.5%
Nov 2019	46.23%	-1.4%
Aug 2019	46.88%	+2.1%
May 2019	45.91%	+2.3%
Feb 2019	44.89%	-0.5%
Nov 2018	45.11%	-1.1%
Aug 2018	45.63%	+1.3%
May 2018	45.06%	+2.2%
Feb 2018	44.08%	-1.1%
Nov 2017	44.59%	-2.8%
Aug 2017	45.88%	+3.4%
May 2017	44.35%	-0.6%
Feb 2017	44.60%	+0.3%
Nov 2016	44.47%	-2.3%
Aug 2016	45.51%	+4.5%
May 2016	43.55%	+1.0%
Feb 2016	43.14%	-0.3%
Nov 2015	43.26%	-1.1%
Aug 2015	43.72%	+2.7%
May 2015	42.59%	-0.7%
Feb 2015	42.87%	+0.0%
Nov 2014	42.86%	-1.2%
Aug 2014	43.37%	+2.0%
May 2014	42.54%	+0.4%
Feb 2014	42.39%	+1.7%
Nov 2013	41.70%	+0.3%
Aug 2013	41.59%	+0.5%
May 2013	41.38%	+0.7%
Feb 2013	41.09%	+0.9%
Nov 2012	40.74%	-3.9%
Aug 2012	42.41%	+0.7%
May 2012	42.13%	+0.1%
Feb 2012	42.08%	-0.2%
Nov 2011	42.17%	-2.3%
Aug 2011	43.16%	+0.9%
May 2011	42.79%	+2.4%
Feb 2011	41.79%	+0.2%
Nov 2010	41.71%	-2.1%
Aug 2010	42.61%	+0.5%
May 2010	42.40%	+1.6%
Feb 2010	41.73%	-0.2%
Nov 2009	41.81%	-2.6%
Aug 2009	42.94%	+12.9%
May 2009	38.05%	-8.2%
Feb 2009	41.43%	-1.6%
Nov 2008	42.12%	-0.7%
Aug 2008	42.42%	-1.0%
May 2008	42.86%	+1.7%

Month	Value	Change
Feb 2008	42.14%	-1.4%
Nov 2007	42.75%	-0.7%
Aug 2007	43.07%	+0.3%
May 2007	42.94%	+0.8%
Feb 2007	42.61%	+0.6%
Nov 2006	42.36%	-1.3%
Aug 2006	42.91%	-1.6%
May 2006	43.60%	+3.3%
Feb 2006	42.20%	+0.6%
Nov 2005	41.93%	-2.9%
Aug 2005	43.17%	+0.2%
May 2005	43.07%	+1.2%
Feb 2005	42.56%	+1.9%
Nov 2004	41.75%	-2.3%
Aug 2004	42.74%	+1.8%
May 2004	41.98%	-1.1%
Feb 2004	42.43%	+1.4%
Nov 2003	41.84%	-1.4%
Aug 2003	42.42%	+2.8%
May 2003	41.26%	-0.2%
Feb 2003	41.34%	-0.8%
Nov 2002	41.68%	-1.6%
Aug 2002	42.36%	+0.1%
May 2002	42.32%	+0.7%
Feb 2002	42.04%	-0.4%
Nov 2001	42.21%	+0.4%
Aug 2001	42.03%	+14.6%
May 2001	36.69%	+2.9%
Feb 2001	35.64%	-2.3%
Nov 2000	36.48%	+0.4%
Aug 2000	36.33%	-35.5%
May 2000	56.30%	+58.3%
Feb 2000	35.56%	+0.9%
Nov 1999	35.23%	+0.2%
Aug 1999	35.15%	-19.6%
May 1999	43.74%	-54.0%
Feb 1999	95.02%	+158.8%
Nov 1998	36.72%	+3.8%
Aug 1998	35.37%	-12.6%
May 1998	40.45%	+9.5%
Feb 1998	36.94%	+1.5%
Nov 1997	36.39%	-11.6%
Aug 1997	41.16%	+0.4%
May 1997	40.99%	-11.6%
Feb 1997	46.38%	+2.3%
Nov 1996	45.35%	-2.4%
Aug 1996	46.47%	+8.2%
May 1996	42.96%	-5.9%
Feb 1996	45.63%	+0.0%
Nov 1995	45.61%	-2.0%
Aug 1995	46.56%	+2.6%
May 1995	45.39%	+0.0%
Feb 1995	45.37%	+0.1%
Nov 1994	45.32%	-3.2%
Aug 1994	46.83%	+4.1%
May 1994	44.99%	-3.8%
Feb 1994	46.75%	-1.8%
Nov 1993	47.61%	-1.1%
Aug 1993	48.12%	+6.8%
May 1993	45.05%	-1.5%
Feb 1993	45.74%	+0.3%
Nov 1992	45.59%	-0.6%
Aug 1992	45.85%	+1.3%
May 1992	45.25%	+0.8%
Feb 1992	44.87%	+2.5%
Nov 1991	43.79%	-0.5%
Aug 1991	44.03%	-2.7%
May 1991	45.24%	-1.3%
Feb 1991	45.84%	+3.5%
Nov 1990	44.29%	-1.6%
Aug 1990	45.03%	+1.4%
May 1990	44.43%	+1.9%
Feb 1990	43.59%	-

FAQ

What is the current quarterly gross margin of CTAS?
As of today, CTAS quarterly gross margin is 50.95%
What is CTAS quarterly gross margin most recent change?
CTAS quarterly gross margin was up +3.41% on May 31, 2026
What is 1-year change in CTAS quarterly gross margin?
CTAS quarterly gross margin is up +6.04% year-over-year
How far is CTAS quarterly gross margin from its all-time high?
CTAS quarterly gross margin is currently -46.38% below its historical high of 95.02% set on February 28, 1999
How does CTAS quarterly gross margin rank versus sector peers?
CTAS quarterly gross margin is higher than 91.79% of companies in Industrials sector
When is CTAS next earnings release?
The next earnings release for CTAS is on September 23, 2026

Gross Margin Formula

Gross Margin = Gross Profit

Revenue × 100%

Data Sources & References

CTAS Official Website www.cintas.com
CTAS Profile on Yahoo Finance finance.yahoo.com/quote/CTAS
CTAS Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ctas