SLA & Uptime calculator: How much downtime corresponds to 9.9999 % uptime

Flexible SLA Calculator

Specify uptime requirement per weekday

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

SLA level of 9.9999 % uptime results in the following periods of acceptable downtime during the various reporting periods:

Allowed downtime by reporting period
Daily	21h 36m 0.086s
Weekly	6d 7h 12m 0.6s
Monthly	27d 9h 26m 14s
Quarterly	82d 4h 18m 42s
Yearly	328d 17h 14m 48s

Direct link to the page with these results: uptime.is/complex?sla=9.9999&wk=yyyyyyy

Current Monitoring Periods

Current monitoring periods (hours per day)
Monday	24 hours/day
Tuesday	24 hours/day
Wednesday	24 hours/day
Thursday	24 hours/day
Friday	24 hours/day
Saturday	24 hours/day
Sunday	24 hours/day

For convenience, there are some quick links for a number of common monitoring periods:

Relaxed working hours (6 hours/day Monday–Friday)
Normal working hours (8 hours/day Monday–Friday)
Extended working hours (10 hours/day Monday–Friday)
Extreme working hours (12 hours/day Monday–Friday)
Founder's working hours (24/7)

Custom Monitoring Periods

Specify a number of hours the availability shall be measured on specific weekdays. 0 means that there will be no measuring on a given day (e.g. on Saturdays and Sundays), while 24 states a requirement of 24 hours of uptime on a given day.

Custom monitoring periods by weekday
Monday	hours/day
Tuesday	hours/day
Wednesday	hours/day
Thursday	hours/day
Friday	hours/day
Saturday	hours/day
Sunday	hours/day