SLA Downtime Budget
Translate availability percentage into allowed downtime.
Your numbers
Allowed downtime
Arithmetic budget only. Contract exclusions, maintenance windows and measurement methods are not applied.
Scenario comparison
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Formula
Use d = T(1−a). T is the reporting-period duration, a is availability as a fraction, and d is allowed downtime in the same time unit.
Translate availability percentage into allowed downtime.
Worked example
- Availability target (%)
- 99.9
- Days in reporting period
- 30
- Allowed downtime
- 43.2 minutes
- Allowed downtime in seconds
- 2,592 seconds
Scope and limitations
Arithmetic budget only. Contract exclusions, maintenance windows and measurement methods are not applied.
Inputs are checked for missing values and allowed ranges. A result outside the finite numeric range is not displayed. Rounding affects display, while the calculation uses the model’s numeric precision.
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Formula version: f41ccfffd02a · Example checked: