Tool for Calculating Computer Room Power Requirements

Have you ever been asked to calculate how much power you will need for a computer room? Maybe you are opening a new field site, standing up a call center or planning for a data center. I have always found it time consuming to chase down the power requirements of the specific gear I plan to install in order to come up with a reasonable estimate. APC offers a great web based tool for estimating critical IT loads. The tool has the power needs of a plethora of commonly used gear. You can build a solution that will give you your overall power needs. The end result is a recommended APC UPS system (of course) but the power requirements are also handy for estimating generator needs etc. The tool is available at

APC Calculation Tool