Uptime and downtime with 99.9 % SLA

2021-04-02: Follow @uptime_is – something interesting might show up there from time to time.

[ simple / flexible / reverse ]

Agreed SLA level: % (enter SLA level and hit the <enter> key)

SLA level of 99.9 % uptime/availability results in the following periods of allowed downtime/unavailability:

• Daily: 1m 26s
• Weekly: 10m 4s
• Monthly: 43m 49s
• Quarterly: 2h 11m 29s
• Yearly: 8h 45m 56s

Direct link to page with these results: uptime.is/99.9 (or uptime.is/three-nines)

The SLA calculations assume a requirement of continuous uptime (i.e. 24/7 all year long) with additional approximations as described in the source.

For convenience, there are special CEO and SEO friendly links for N nines: three nines, four nines, five nines, six nines etc.