When people buy LED Bulbs, they look at the wattage, when in fact, they should be looking at the Lumens value. While watts measure energy usage, Lumens decide the light output.
Lumens measure the level of brightness that LED fixture emits.
LUMENS = BRIGHTNESS = LIGHT VALUE!
Here is a practical guide to plan your next LED fixtures purchase in case you are planning to change the existing ones-
5 watt (W)
9 watt (W)
12 watt (W)
14 watt (W)
Luminous flux is the amount of visible light emitted by a light source per second.
The SI unit of luminous flux is the lumen (lm).
Higher the lumens value, brighter the light;
Lower the lumens value,dimmer is the light.
HOW TO DECODE YOUR NEXT LIGHT BULB LABEL
It is now important to understand the concept of Lumens due to changes in lighting regulations nd technologies. It helps to make the right choice of light bulbs. Besides Lumens, these are the other facts one must check on the label before making a purchase-
Estimated yearly cost of energy
Lifespan of the product
Light appearance- raging from warm to cool, as per the CCT (correlated colour temperature)