Uptime Calculator

Calculate uptime percentage from downtime. SLA and reliability.

Service Level Agreement

Uptime Percentage (%)

Allowable Downtime

1m 26s

Daily

10m 4s

Weekly

43m 50s

Monthly

8h 45m 57s

Yearly

About this calculator

Overview

Uptime % = (Total time − Downtime) / Total time × 100. 99.9% = ~8.76 hours downtime per year.

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Pro Tips

Fun Facts

Formula: Uptime % = 100 × (1 − Downtime/Total)