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# how much does it cost to run a sunbed

Posts: 31 Forumite
can someone tell me how much it costs to run a sunbed for 30mins
it has 10 x 100 watt bulbs

thankyou

• Posts: 917 Forumite
10 x 100 watt bulbs mean that it is drawing 1000 watts (1000 joules a second). Electricity is sold in kilowatt hours (kWh), that being equivalent to using 1000 watts for 1 hour. In half an hour at 1000 watts you will use 1/2 kWh, so take a look at your last electricity bill and see how much a kWh costs, and half it.
• Posts: 31 Forumite
just looked at my electric bill and its 11p kwh , so its under 6p for 30mins, seems cheap for all does bulbs ? thought it was going to be £5-£6 to run with 10x100 watt bulbs

• Posts: 1 Newbie
i'm still confused ...... so that means that if my electricity is say 12 a unit and i have 20 x 100 watt bulbs and i use it for 20 mins it'll cost me under a £1 or around that mark ! That still doesn't seem right ? ......... someone convince me, please !!!!!! :-( !!!
• Posts: 42,714 Forumite
yes it will cost about 11p per hour to run.
based on my tariff.
Get some gorm.
• Posts: 12,287 Forumite
i'm still confused ...... so that means that if my electricity is say 12 a unit and i have 20 x 100 watt bulbs and i use it for 20 mins it'll cost me under a £1 or around that mark ! That still doesn't seem right ? ......... someone convince me, please !!!!!! :-( !!!

20 x 100 watts = 2000W = 2 kW.

At 12p per Kw/hr it costs 12p to run 1 kW for an hour

So 24p for an hour at 2 kW

So 8p for 2 kW for 20 mins
• Posts: 5,258 Forumite
or how much will it cost to cause skin cancer?
• Posts: 6,554 Forumite
To get skin cancer, the cost will work out at about the same as running the sun bed.
I can afford anything that I want.
Just so long as I don't want much.
• Posts: 1,598 Forumite
27col wrote: »
To get skin cancer, the cost will work out at about the same as running the sun bed.

Not quite. You will have to add the £100's it costs to buy the machine that gives you skin cancer.
• Posts: 53,098 Forumite
jane34 wrote: »
just looked at my electric bill and its 11p kwh , so its under 6p for 30mins, seems cheap for all does bulbs ? thought it was going to be £5-£6 to run with 10x100 watt bulbs

At those prices, a one bar electric fire (1,000W) for an hour would cost £5-£6! Would you really expect to pay that much for your electricity?
No free lunch, and no free laptop
• Posts: 1,598 Forumite
macman wrote: »
At those prices, a one bar electric fire (1,000W) for an hour would cost £5-£6! Would you really expect to pay that much for your electricity?

Just give it time - if the 'Green Brigade' have their way :rotfl:
This discussion has been closed.

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