GitHub - dastergon/availability-calculator: Calculate how much downtime should be permitted in your Service Level Agreement or Objective
LanDynamix - IT Downtime Cost Calculator
The UP App - Do you know just how much machine downtime is costing your business? Learn how to calculate it in our blog. http://bit.ly/2V8J1Qt | Facebook
The Cost Of Downtime (And How To Calculate Your Own) – The UP!