What is 99% uptime in a month?

What is 99% uptime in a month?
What does availability/uptime mean in the real world?

Availability %
Downtime per year
Downtime per month*

99%
3.65 days
7.20 hours

99.5%
1.83 days
3.60 hours

99.8%
17.52 hours
86.23 minutes

99.9% (“three nines”)
8.76 hours
43.2 minutes

What does availability/uptime mean in the real world?
Availability % Downtime per year Downtime per month*
99% 3.65 days 7.20 hours
99.5% 1.83 days 3.60 hours
99.8% 17.52 hours 86.23 minutes
99.9% (“three nines”) 8.76 hours 43.2 minutes

What is uptime availability?

“Uptime” or “Availability” is the percentage of time that a system is fully operational. For example, if a system operates for only 100 hours per week, its availability is 100/168 = 60%. Availability is normally expressed in 9’s.

What is 99.9 uptime in a month?

Percentage calculation
Availability % Downtime per year Downtime per month
99.8% (“two and seven eighths nines”) 17.53 hours 87.66 minutes
99.9% (“three nines”) 8.77 hours 43.83 minutes
99.95% (“three and a half nines”) 4.38 hours 21.92 minutes
99.99% (“four nines”) 52.60 minutes 4.38 minutes

What is uptime in maintenance?

In simplistic terms, uptime is the time in which a machine (asset) is in operation. This means that while an asset is operational, it is able to produce output – or in the case of most businesses – revenue-producing activities.

What is uptime and downtime in maintenance?

Uptime of a machine or equipment is the time it is spending available to fulfill its preliminary function. While downtime is the time it is spending not available to fulfill its preliminary function.