There are various terminologies to take notice of when looking for buying the best bulbs. Some bulbs will disclose the wattage while others will concentrate on promoting the actual lumens of the bulb. But what is wattage and lumens referring to, you may be wondering. Read on for a short guide on what the difference is between wattage and lumens and what to look for in a good lightbulb.
Wattage:
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The wattage of a bulb refers to the number of watts needed to power it. Watts also measure the rate at which energy is consumed. So, if a 100-watt bulb were to be kept on constantly for 10 hours, it would use 1,000-watt hours altogether (1 kilowatt). But, Watts do not measure how bright a bulb is, so that is where lumens come in.
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Lumens:
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Lumens measure brightness and tell you the light intensity that is produced by the bulb. They are most often used for measuring the light in bulbs and lumens take into account how the light is projected. For example, a bulb with a hood that shines in one single direction will have fewer lumens than the same bulb shining in all different directions. Even though Watts and lumens are different, they still share a close relationship. Wherever you have watts, you will have lumens, but over time, the number of lumens will decrease as they wear out, no matter how many watts are being used.
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