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如何计算Uptime

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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.

分步指南

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

例题解析

输入
720 hours in month, 1 hour downtime
结果
99.86% uptime
Typical SLA target

常见错误注意事项

  • Wrong parameters
  • Missing adjustments

常见问题

What does this calculator do?

Set parameters

How do I use this calculator?

Run calculation

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