Led Bulb Incandescent Equivalent

In fact a 60 watt led just may blind you.

Led bulb incandescent equivalent.

Some of the most energy to light efficient led bulbs are now reaching over 120 lumens in energy star tests. Now you can buy a 4 pack for about 6. Incandescent bulbs generally generate a yellowish warm white colour with a cct of around 2700k and a cri of 100 as incandescents are the reference light source used in the cri metric. On average an incandescent bulb produces around 14 lumens per watt compared to 63 lumens for energy saving compact fluorescents cfl and 74 for led bulbs.

Led lights offer a much broader range of colour temperatures ranging from warm white to natural sometime s called pure or daylight white to a bluish. However because lumens per watt vary for both incandescent and led lights it s easier to use a wattage to lumens comparison chart. To examine the cost comparison let s take a look at a standard 60 watt replacement incandescent bulb in this example. Click the equivalent wattage in the lumens vs.

Leds require less wattage than cfl for the same amount of light. An led that uses 60 watts is in no way comparable to an incandescent bulb that uses 60 watts. In this style led bulb clusters of leds are covered by a lens which spreads the light over a wider area like standard incandescent bulbs. It used to be that you could buy a 60 watt incandescent light bulb for less than a dollar.

That incandescent bulb was only rated for 1 500 hours or 1 4 years. Wattage to brightness comparison. Since most household bulbs are 40w 60w 75w or 100w you may be able to memorize their equivalent lumens. Leds are designed to use less energy and naturally have a.

The prices are coming down as production ramps up. If a fixture is rated for a certain wattage use the equivalent lumen rating in the chart above when deciding what size led bulb can be used in that fixture. But here is the math. An important safety consideration.

For example a correct replacement for a 60w incandescent bulb would be a 15 watt cfl bulb 60 1 4 15. A 40 watt incandescent filament bulb produces. For an led running over the course of 10 years the actual cost would be only 18 to operate. Watts chart below to shop for the right light bulb for your space.

Available in standard edison bases these bulbs are used as area lighting for rooms porches reading lamps accent lamps hallways and low light applications where lights remain on for extended periods. While the math for the cfl bulbs is simple the led bulbs are even more energy efficient and durable than compact fluorescent light bulbs.