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Uptime and downtime with 90 % 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 90 % uptime results in the following periods of allowed downtime:

Daily 2h 24m 0s
Weekly 16h 48m 0s
Monthly 3d 1h 2m 55s
Quarterly 9d 3h 8m 44s
Yearly 36d 12h 34m 55s

Direct link to the page with these results: uptime.is/90 (or uptime.is/one-nine)

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.