99.9% Uptime Calculator

8h 45m 57s downtime per year

See exactly how much downtime 99.9% uptime allows per day, week, month, and year.

99.9% Uptime SLA Breakdown

1m 26s
Per day
10m 5s
Per week
43m 50s
Per month
2h 11m 29s
Per quarter
8h 45m 57s
Per year

Standard SLA Level

99.9% uptime is a common SLA level that balances reliability with cost. It's suitable for most business applications and web services.

Compare with other SLA levels: 99%, 99.5%, 99.9%, 99.95%, 99.99%, 99.999%

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