TorixPulse Free Tools / Uptime / SLA Calculator
Uptime / SLA Calculator
Convert an uptime percentage into allowed downtime. Fast, private and free — everything runs in your browser.
Allowed downtime at 99.9% uptime:
Per day
1.4 min
Per week
10.1 min
Per month (30d)
43.2 min
Per quarter
2.16 hours
Per year
8.76 hours
Want to actually hit these numbers? TorixPulse monitors your services and alerts you the moment they slip.
Turn an SLA into real downtime
Availability targets like "three nines" (99.9%) sound abstract. This calculator converts any uptime percentage into the concrete downtime budget you have per day, week, month, quarter and year.
Common uptime targets
- 99% — ~3.65 days of downtime per year
- 99.9% — ~8.77 hours per year
- 99.99% — ~52.6 minutes per year
- 99.999% — ~5.26 minutes per year
Frequently asked questions
How much downtime is 99.9% uptime?
About 8 hours 45 minutes per year, or roughly 43 minutes per month.
What does "five nines" mean?
99.999% uptime — around 5 minutes 15 seconds of downtime per year.