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SLA uptime calculator

How much downtime does your SLA actually allow? Enter an uptime percentage and see the maximum allowed downtime per day, week, month, and year.

%

Maximum allowed downtime

Per day

1m 26s

Per week

10m 4s

Per month

43m 11s

Per year

8h 45m 35s

Common SLA tiers

Uptime
Day
Week
Month
Year
99%
14m 24s
1h 40m 48s
7h 12m
3d 15h 36m
99.5%
7m 12s
50m 24s
3h 36m
1d 19h 48m
99.9%
1m 26s
10m 4s
43m 11s
8h 45m 35s
99.95%
43s
5m 2s
21m 35s
4h 22m 47s
99.99%
8s
1m
4m 19s
52m 33s
99.999%
< 1 second
6s
25s
5m 15s

Learn more about uptime tiers

99%

Two nines

3d 15h 36m/year

99.9%

Three nines

8h 45m 36s/year

99.99%

Four nines

52m 33s/year

99.999%

Five nines

5m 15s/year

Track your actual uptime.

Knowing your SLA target is step one. Measuring it is step two. Larm monitors your services from multiple global locations and gives you real uptime data.

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