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  • FIRST POST
    • Supri
    • By Supri 3rd Dec 17, 9:33 PM
    • 1Posts
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    Supri
    How much will this cost me?
    • #1
    • 3rd Dec 17, 9:33 PM
    How much will this cost me? 3rd Dec 17 at 9:33 PM
    Made a major mistake and somehow left my bathroom light on for what may have been 2 days! I know it's hard to estimate because of wattage etc. but please can someone estimate how much this has cost me? I need to know how much to budget for.
Page 1
    • Hengus
    • By Hengus 3rd Dec 17, 9:41 PM
    • 5,756 Posts
    • 3,531 Thanks
    Hengus
    • #2
    • 3rd Dec 17, 9:41 PM
    • #2
    • 3rd Dec 17, 9:41 PM
    Made a major mistake and somehow left my bathroom light on for what may have been 2 days! I know it's hard to estimate because of wattage etc. but please can someone estimate how much this has cost me? I need to know how much to budget for.
    Originally posted by Supri
    Assuming it is a 100 watt bulb on for 48 hours, it will have used 4.kWhs which will probably cost you you ahout 50p.
    • matelodave
    • By matelodave 3rd Dec 17, 9:43 PM
    • 3,542 Posts
    • 2,195 Thanks
    matelodave
    • #3
    • 3rd Dec 17, 9:43 PM
    • #3
    • 3rd Dec 17, 9:43 PM
    If you assume that it was a 100w bulb for 48 hours it would have used 4.8kwh. If your leccy costs 12p/kwh it will have cost you around 58 pence which probably wont break the bank
    Love makes the world go round - beer make it go round even faster
    Look after our planet - it's the only one with beer
    • teddysmum
    • By teddysmum 4th Dec 17, 2:11 PM
    • 9,042 Posts
    • 5,389 Thanks
    teddysmum
    • #4
    • 4th Dec 17, 2:11 PM
    • #4
    • 4th Dec 17, 2:11 PM
    1000watts=1kw,so a 100watt bulb uses 1kwh of electricity every 10hours.As a bathroom bulb is unlikely to be as high as 100watts (small room and probably lower rated energy saving),he cost will be even lower than quoted above.
    • macman
    • By macman 4th Dec 17, 6:17 PM
    • 41,894 Posts
    • 17,379 Thanks
    macman
    • #5
    • 4th Dec 17, 6:17 PM
    • #5
    • 4th Dec 17, 6:17 PM
    Tell us the wattage and your kWh unit rate, and we can give you an exact answer.
    But you'd probably spend more leaving the heating or hot water on for an hour than a single light bulb for two days.
    And if it was an LED bulb then the cost will be more like 8p.
    No free lunch, and no free laptop
    • McKneff
    • By McKneff 4th Dec 17, 6:21 PM
    • 36,008 Posts
    • 46,362 Thanks
    McKneff
    • #6
    • 4th Dec 17, 6:21 PM
    • #6
    • 4th Dec 17, 6:21 PM
    So panic over.
    make the most of it, we are only here for the weekend.
    and we will never, ever return.
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