E-ON Energy Usage Calulator v1

Welcome to my very first example of combining html,css and javascript together to form a very simple and useful energy calculator to simply calculate both electric and gas usage. Simply enter reading's previous and current and the calulator with calculate both items and give an extact amount of energy used in british pounds and pence with VAT included.

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The Electic Componant Calulator

Please enter previous reading from Last billing date:

Please enter current read thats on the meter at this time:

Please enter the date of your last bill:



Your Total Electric Bill inc Standing Charges is:

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The Gas Componant Calulator

Please enter previous reading from Last billing date:

Please enter current read thats on the meter at this time:

Please enter the date of your last bill:



Your Total Gas Bill inc Standing Charges is:

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Complete Bill Costings

Your Total Bill For Both Componants inc VAT is: