Back to Scale Lab
Availability Calculator
Convert availability percentage (nines) into allowed downtime per year, month, and day. Includes planned maintenance windows. Essential for SLA discussions in system design.
Formula
Inputs
%
minutes
Intermediate Steps
Unplanned Downtime per Year--- minutes/year
Unplanned Downtime per Month--- minutes/month
Unplanned Downtime per Day--- minutes/day
Total Downtime per Month (incl. planned)--- minutes/month
Effective Availability--- %
Result
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