Lumen Wattage Conversion Chart Free Download For Mac
Replacing your average household light bulb has become more complicated over the years. Energy saving technology like compact fluorescent and LED mean you can get a light bulb as bright as your old 60W incandescent that uses, for example, just 8 Watts of electricity. In old incandescent technology there was a clear link between the light output of a bulb and the amount of power it used. A 100W bulb was brighter than a 40W bulb but this isn’t always the case anymore.
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To make sure we get the correct replacement bulb in terms of the brightness we need to think in terms of light output. Light output is measured in Lumens and can be found in the specification of all the product pages on our website. What wattage light bulb do you need? To make sure you get the same brightness from your energy efficient bulbs, use this chart to compare the wattages of different technologies.* LED 2W - 4W 5W - 7W 8W - 10W 9W - 13W 13W - 18W Compact Fluorescent 5W 7W 11W 15W 20W Halogen 18W 28W 42W 53W 70W Incandescent 25W 40W 60W 75W 100W Lumens (lm) 230 - 375 lm 400 - 500 lm 700 - 900 lm 900 - 1125 lm 1300 - 1500 lm Using the chart we can see that if you want to replace a 40W incandescent light bulb with a compact fluorescent (CFL), you will likely need a 7W CFL. Similarly, if you want to replace your 53W halogen light bulb with a modern LED, the LED will probably use between 9 and 13 Watts of energy. In each case, the important factor when choosing the replacement is to get a similar Lumens rating. To replace the 40W incandescent with a CFL you’d be looking for one with about a 400 Lumen output.
And for our LED example, you would need one with at least a 900 Lumens output. * LED technology is constantly evolving so the wattages we have shown may become outdated. Just remember to match the lumen output and you'll always get the brightness you want.
Watts to lumens calculator in to luminous flux in lumens (lm) calculator and how to calculate. Enter the in watts, luminous efficacy in lumens per watt and press the Calculate button to get the luminous flux in lumens: Enter power in watts: W Enter light source: Or enter luminous efficacy in lumens per watt: lm/W Luminous flux result in lumens: lm * the predefined luminous efficacy values are typical / average values. Watts to lumens calculation Energy saving lamps have high luminous efficacy (more lumens per watt). The luminous flux Φ V in lumens (lm) is equal to the power P in watts (W), times the luminous efficacy η in lumens per watt (lm/W): Φ V(lm) = P (W) × η (lm/W) See also • • • • • • • •.
Lumen Wattage Conversion Chart Free Download For Macbook Pro
May 09, 2017 You would probably want to choose an LED bulb that uses 8 to 12 watts and has a lumen rating of 800 to get the same illumination. This conversion chart. Comparison Chart LED Lights vs. Incandescent Light Bulbs vs. Energy Efficiency & Energy Costs Light Emitting Diodes (LEDs) Incandescent Light Bulbs Compact Fluorescents. (watts) per unit of light generated (lumens). LEDs help reduce greenhouse gas emissions from power plants and lower electric bills 6 - 8 watts 60 watts 13-15 watts.