Server Uptime Calculator
Uptime Calculator
Allowed Downtime Per Year
8h 45m 57s
99.9% uptime = 0.1000% downtime · Standard Enterprise
Daily
1m 26s
allowed per day
Weekly
10m 4s
allowed per week
Monthly
43m 49s
allowed per month
SLA Tier Comparison (Yearly Downtime)
| Tier | Downtime / Year |
|---|---|
| 99% | 3d 15h 39m 36s |
| 99.9% · selected | 8h 45m 57s |
| 99.95% | 4h 22m 58s |
| 99.99% | 52m 35s |
| 99.999% | 5m 15s |
Allowed Downtime per Period (minutes)
Three nines — ~8.77 hours downtime per year.
Summary Statistics
Target Uptime
99.9%
Downtime Percentage
0.1000%
Yearly Downtime
8h 45m 57s
Availability Category
Standard Enterprise
Nines Rating
Three nines
Year Basis
365.25 days
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