![]() ![]() To give an example, a 42W halogen bulb has the same brightness, or lumens, as an LED that uses 10 watts. Lights do not need high wattage to attain higher brightness levels, resulting in numbers not being the same as before. This, therefore, resulted in people relating watts with brightness but, with the introduction of more energy-efficient lighting options, this is no longer the case. The reason for the misunderstanding is easy to explain though - in the past, a lot of incandescent light bulbs emitted the same amount of light as watts, even though they were produced by different companies. Watts are actually a measurement of how much energy a light uses, so is more related to energy consumption. In general, people believe that watts = brightness, which isn't actually 100% correct. You've likely heard of watts before, with the 'W' that is located on a majority of lighting packaging. The light that is being created must be visible to the naked eye, with lumens generally being utilised to calculate how bright a light is. Lumens are a measurement of how much light is being produced by a light source, and are termed 'lm'. What is a lumen?įirstly, there are lumens. This will make the calculations a little easier to understand (hopefully). To start, we will take a look at some definitions of major lighting terms - lumens, watts and lux. If you have any further questions, give All Purpose Trade Solutions a call on 1300 370 455 and we will be happy to assist. We have collated a guide as to how to calculate lumens to watts and lux to lumens, as well as some comparisons between the lighting types, so you can confidently choose your next light globe with ease. With this in mind, we thought we'd do some of the hard stuff for you - calculations. ![]() There are so many options available, with different brands and types and strengths making things a little trickier to manoeuvre than they used to be. When it comes to lighting these days, it's not as simple as heading to the shop and picking up a new globe. ![]()
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