Uptime Percentage Chart

Availability Downtime Per Year Downtime Per Month Downtime Per Week Downtime Per Day
90% (“One Nine”) 36.5 Days 72 Hours 16.8 Hours 2.4 Hours
95% 18.25 Days 36 Hours 8.4 Hours 1.2 Hours
97% 10.96 Days 21.6 Hours 5.04 Hours 43.2 Minutes
98% 7.30 Days 14.4 Hours 3.36 Hours 28.8 Minutes
99% (“Two Nines”) 3.65 Days 7.20 Hours 1.68 Hours 14.4 Minutes
99.5% 1.83 Days 3.60 Hours 50.4 Minutes 7.2 Minutes
99.8% 17.52 Hours 86.23 Minutes 20.16 Minutes 2.88 Minutes
99.9% (“Three Nines”) 8.76 Hours 43.8 Minutes 10.1 Minutes 1.44 Minutes
99.95% 4.38 Hours 21.56 Minutes 5.04 Minutes 43.2 Seconds
99.99% (“FourNines”) 52.56 Minutes 4.38 Minutes 1.01 Minutes 8.66 Seconds
99.995% 26.28 Minutes 2.16 Minutes 30.24 Seconds 4.32 Seconds
99.999% (“Five Nines”) 5.26 Minutes 25.9 Seconds 6.05 Seconds 864.3 Milliseconds
99.9999% (“Six Nines”) 31.5 Seconds 2.59 Seconds 604.8 Milliseconds 86.4 Milliseconds
99.99999%
(“Seven Nines”)		 3.15 Seconds 262.97 Milliseconds 60.48 Milliseconds 8.64 Milliseconds
99.999999%
(“Eight Nines”)		 315.569 Milliseconds 26.297 Milliseconds 6.048 Milliseconds 0.864 Milliseconds
99.9999999%
(“Nine Nines”)		 31.5569 Milliseconds 2.6297 Milliseconds 0.6048 Milliseconds 0.0864 Milliseconds
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