This calculator works for any item, not just servers. Just fill in the fields below and click submit.

This works for any currency. Ignore the £ sign and use your own currency as if it were £'s.

Total Wattage: watts (e.g. 100 watts)

Electricity Cost: pence per kWh (e.g. 7.4)

Run Hours: hours per day

 

If you would like to download this script for your own personal use, click the link below, copy and paste the source code and save it into a PHP file. Then you can run it on your own PHP enabled Web Server.

calculator-runningcosts.txt

You must name the script calculator-runningcosts.php otherwise you will need to do the following:

Change the "action=" filename to the name you gave the file on the line
<form name="form1" action="calculator-runningcosts.php" method="post">

Approximate Wattages (items listed in alphabetical order):

CRT Monitor: 120w
Desktop PC: 200w
External Hard Drive: 25w
Inkjet Printer: 50w
Lazer Printer: 1000w
Modem: 25w
Notebook PC: 80w
Router: 25w
TFT Monitor: 60w
USB Hub: 25w