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Uptime and downtime with 9 % SLA

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SLA & Uptime Calculator

How much downtime corresponds to your SLA?

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

SLA level of 9 % uptime results in the following periods of allowed downtime:

Daily 21h 50m 24s
Weekly 6d 8h 52m 48s
Monthly 27d 16h 44m 29s
Quarterly 83d 2h 13m 27s
Yearly 332d 8h 53m 46s

Direct link to the page with these results: uptime.is/9

The SLA calculations assume a requirement of continuous uptime (i.e. 24/7 all year long) with additional approximations as described in the source. uptime.is was originally implemented in newLISP, which had powered uptime and downtime calculations for more than a decade.

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