Amount of Light

Some bulbs are brighter than others as different bulbs produce different amounts of light. The amount of light or light output is indicated in lumen. This guide shows the more lumens a bulb has, the brighter the light it produces. The fact that some bulbs are brighter than others means they are suitable for other purposes.

Related How Tos

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Base type

Learn about the differences between base types and how to pick the right one for your light fixture.


Watt and lumen

Learn more about the difference between watt and lumen and what it says about a bulb.


Wide and focused light

See how the shape of a bulb has a big impact on the light effect it delivers.


Color Temperature

See how color temperature determines if a bulb produces warm or cool light.


Color Rendering Index

See how a high color rendering index makes colors appear natural.