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An uptime percentage calculator converts between uptime percentage and maximum allowable downtime per year, month, or day. "Five nines" (99.999%) uptime means only 5.26 minutes of downtime per year; "three nines" (99.9%) allows 8.77 hours of annual downtime.

Trin-for-trin guide

  1. 1Track total operational time
  2. 2Subtract downtime minutes
  3. 3Calculate availability percentage

Løste eksempler

Input
720 hours in month, 1 hour downtime
Resultat
99.86% uptime
Typical SLA target

Almindelige fejl at undgå

  • Wrong parameters
  • Missing adjustments

Ofte stillede spørgsmål

What does this calculator do?

Set parameters

How do I use this calculator?

Run calculation

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