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How much electricity does a 40W light use?

How much electricity does a 40W light use?

What Uses Watts in Your Home

Appliance/Equipment Avg. Usage Monthly kWh
Lighting
40-Watt Bulb (40 W) Equivalent compact fluorescent 4 hours/day 4 hours/day 5 1.375
60-Watt Bulb (60 W) Equivalent compact fluorescent 4 hours/day 4 hours/day 7 1.625
75-Watt Bulb (75 W) Equivalent compact fluorescent 4 hours/day 4 hours/day 9 2.5

How much does it cost to run a 30 watt light bulb for 24 hours?

Determining Wattage and Usage Leaving the lights on the whole day will therefore cost you: 30 bulbs x 0.06 (60 watts / 1000) kilowatts x 24 hours x 12 cents = $5.2 a day.

How much does it cost to run a 60-watt light bulb for 1 hour?

So, a 60-watt bulb uses 60 watts hours or . 06 kilowatt hours of energy for each hour it’s on. The bulb would use 1 kilowatt hour in just less than 17 hours if left on continuously; around 12 cents in our current tariff for most residential customers.

How much does a 50w bulb cost?

Energy Cost A 50 watt traditional bulb that runs for a single hour will use 0.4 kWh/day. This means that working for 8 hours per day, it will consume 146 kWh/year.

How much does a bulb cost to run?

Are LED lights cheaper to run than energy saving bulbs?

Bulb Type Power Cost per Hour
LED 15W £0.002
CFL 20W £0.03
Halogen 70W £0.008
Incandescent 100W £0.012

How much electricity does a light bulb use per hour UK?

Household appliances

Product Notes Cost per hour
60 watt lightbulb Standard bulb £0.007
Energy-saving bulb (Philips) Equivalent to a standard 60 w bulb £0.001
Kettle Average kettle 1800 watts £0.195
Washing Machine Average cycle (2000w heat, 500w spin, 250 wash) £0.076

How much does a 50w light cost to run?

How much watt bulb is required for a room?

The reference point: a standard 100-watt incandescent light bulb produces about 1,500 – 1,700 lumens. Not a measure of brightness; instead, it’s a measure of how much electricity (or energy) a light bulb consumes to reach its claimed brightness….Key Terms.

Room Foot Candles Needed
Hallway 5-10
Bathroom 70-80