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.
You forgot to fill in the Total Wattage
'); } if($cost==""){ echo('You forgot to fill in the Electricity Cost
'); } if($hours==""){ echo('You forgot to fill in the Run Hours
'); } if($hours=="0"){ echo('Enter a value between 1 and 24
'); } if($hours > 24){ echo('Enter a value between 1 and 24
');
}
$output = round((((($watts * $hours) / 1000) * $cost) / 100), 2);
$outputweek = round(((((($watts * $hours) / 1000) * $cost) / 100) * 7), 2);
$outputmonth = round(((((($watts * $hours) / 1000) * $cost) / 100) * 28), 2);
$outputquart = round((((((($watts * $hours) / 1000) * $cost) / 100) * 7) * 12), 2);
$outputyear = round((((((($watts * $hours) / 1000) * $cost) / 100) * 7) * 52), 2);
echo('£');
echo($output);
echo(" per ".$hours." hours
£");
echo($outputweek);
echo(" per week for ".$hours." hours a day
£");
echo($outputmonth);
echo(" per month (28 days) for ".$hours." hours a day
£");
echo($outputquart);
echo(" per quarter (3 months) for ".$hours." hours a day
£");
echo($outputyear);
echo(" per year for ".$hours." hours a day");
echo('
'); } else{ echo(' '); } ?>
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