* Enter converter load power	Watts
* Enter number of powered hours per day	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Hours
* Enter converter efficiency	%
* Enter your cost of electricity per kWHr	£/$/Euros
Cost of powering load converter per year	£/$/Euros
Carbon dioxide emission of converter per year at 0.523kg/kWHr	kg
* Enter new converter efficiency	%
* Enter purchase cost of new converter	£/$/Euros
Cost savings per year of new converter	£/$/Euros
Payback time for new converter	weeks
Carbon dioxide saved per year	kg