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Uptime SLA Calculator

Translate SLA percentage targets into allowed downtime windows.

Uptime SLA Calculator converts SLA percentages into allowed downtime per day, month, and year. It is useful for vendor evaluation, incident reporting, and setting realistic reliability commitments. The tool makes terms like 99.9 or 99.99 concrete in minutes and hours. Use it to align business expectations with engineering targets.

SLA Inputs

Allowed Downtime

Total allowed downtime: 43m 12s

Seconds: 2592.00

How to use this tool

Enter SLA percentage target.
Run the calculator to view allowed downtime windows.
Use results in contracts, runbooks, or reliability planning.

Reliability engineering tools

Promote status page software, incident response platforms, and SRE playbooks.

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