Whilst playing around with Storage I/O control (SIOC) in my vSphere 5 lab environment, I found myself trying to calculate the IOPS to be used when limiting a virtual disk throughput to a certain amount of MBps So here is the calculation I was using: IOPS = (MBps Throughput / KB per IO) * 1024  … More A calculation for MBps to IOPS (and vice versa…)