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Measured uptime calculator

Calculate time-based uptime from a measured outage duration.

Result

Your result will appear here.

Your input stays in this browser. No live website or mail-server checks are performed.

What this tool can tell you

Use the labels and units shown above. Save important configuration before applying advice based on any calculation or record explanation.

Calculates an estimate from your inputs. Real traffic and contractual SLA measurements may differ.