// how much downtime is

99.995% uptime = 26.3 min down per year.

That's 4.3 nines. Allowed downtime at 99.995% availability:

per year26.3 min

per month2.2 min

per week30 s

per day4 s

The neighborhood

what one more nine buys you

90%36.5 days/yr

99%3.7 days/yr

99.5%43.8 h/yr

99.9%8.8 h/yr

99.95%4.4 h/yr

99.99%52.6 min/yr

99.995% ← you are here26.3 min/yr

99.999%5.3 min/yr

Azure services live at specific rungs of this ladder — see the SLA dataset, or compute the composite for your whole environment from one Resource Graph query.

ⓘ Designed availability, not a guarantee.