PrismKitCalculatorsSLA Uptime CalculatorSLA Uptime CalculatorRuns in your browserLocalCopy linkMarkdownTurn an uptime percentage into allowed downtime per day, week, month, quarter and year, or downtime back into uptime.RAID CalculatorWork out usable capacity, efficiency and fault tolerance for RAID 0, 1, 5, 6, 10, 50 and 60 arrays.Download Time CalculatorWork out how long a file takes to transfer at a given connection speed, or the speed needed to finish in time.