Are you wondering how many watts an LED bulb needs to properly light a room? You're not alone. Choosing the right wattage is essential for both atmosphere and energy efficiency. In this article, we’ll explain how many watts an LED bulb typically uses, what to look out for when choosing the right power, and how it compares to traditional lighting. Want to know more about LED bulbs? Read on.
Unlike incandescent bulbs, wattage doesn’t say much about an LED’s brightness. In the past, a 60-watt incandescent bulb gave a known amount of light. With LEDs, it’s different. LED bulbs are far more efficient: they generate more light per watt. For example, a 6-watt LED bulb can emit as much light as a 60-watt incandescent.
Here are common conversions from incandescent to LED:
25W incandescent ≈ 2–3W LED
40W incandescent ≈ 4–5W LED
60W incandescent ≈ 6–9W LED
75W incandescent ≈ 9–12W LED
100W incandescent ≈ 12–15W LED
So it’s not about wattage but lumens if you want to know how bright a bulb is.
Lumens indicate the actual light output of a lamp. For example: an 800-lumen LED bulb is similar to an old 60-watt incandescent. When buying an LED bulb, always check the lumens to know the light intensity. Wattage only tells you how much energy it uses.
Besides watts and lumens, a few other factors matter:
Color temperature (Kelvin): Warm white (2700K) for atmosphere, cool white (4000K+) for functionality.
Dimmable or not: Not every LED is compatible with a dimmer.
Base type: Ensure the bulb fits your socket (e.g., E27, GU10, R7s).
Beam angle: Spots give focused light, globe bulbs give broader spread.
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