![]() The power in watts (W) is equal to the luminous flux in lumens (lm), divided by the luminous efficacy in lumens per watt (lm/W):įor example, an LED with an efficiency of 80 lumens per watt would require 20 watts to produce 1600 lumens. LED Lights: 50-250+ lm/W (varies widely by LED) Lumen is the term used to describe the total amount of light emitted by a light source, while wattage merely indicates the amount.But what is a lumen We’ll explain that, and then you can use our lumens to watts conversion chart to select the right LED bulb every time. With today’s modern LED bulbs, we instead need to focus on lumens. Tungsten Incandescent Lights: 15-20 lm/W Watch on The old days of choosing light bulbs by wattage are over.Compact Fluorescent Lights (CFLs): 50-70 lm/W.Finally, calculate the candle power using the formula above: C W PF /12.57. It is measured in lumens per watt (lm/W) or light output per watt.Ī higher efficacy means more light for the same amount of power, with different light types and even different models from each manufacturer within a light type varying quite a bit.įor reference, here are some average lm/W efficacies for various light types: This how much light the bulb produces per watt. To convert 1600 lumens to watts, we first need to know the efficacy of the light source.Įfficacy is a measure of how well a light source produces visible light. Solution When using the calculator, you will first enter 450 in the first text field, and then 17 as the luminous efficacy in lumens per watt. Lightweight and convenient with remote wristeband functionality – no searching for the button on your head!Īn 1600 lm flush mount ceiling light requires 20 watts 80 lm/WĪn 1600 lumen recessed ceiling light requires 19 Watts 85 lm/W LED StripĪ 17.8 W/m K strip creates 1600 lumens per meter 90 lm/W LED Bulkhead LightĪ 4000K LED bulkhead ceiling light that creates 1600 lumens requires 18.2W circuit power 88 lm/W Philips Hue White & Color Smart BulbĪ smart bulb creating 1600 lumens uses 14W of circuit power 113 lm/W Lm/W Efficacy Determine the power consumption if the illuminance in lux is 450 (lx) with a luminous efficacy of 17 lumens per watt and a surface area of 100 square feet. Here are some example products and their corresponding wattages: LED Light Bulb A19Īn 1600 lumens A19 LED bulb will use 18 watts 89 lm/W LED Recessed Ceiling Lightġ600 Lumens of light from your head flashlight gives incredible brightness for all occasions. Not all LEDs require the same amount of power to create the same light output. 106 watts with legacy Tungsten Incandescent.To known what is 1600 lumens in watts, use each light source’s lumens per watt efficacy, typically: 85 Energy Equivalents of lighting has resulted in improved efficiency of converting elec- trical energy to light. It has two text fields and two controls, the ‘Calculate’ and ‘Reset’ buttons. The outdated metric of using wattage to judge brightness is over, as LED lights use less power to produce the same amount of lumens and can differ according to design. Watts to Lumens calculator It is a conversion calculator used to convert the electric power in watts (W) to the luminous flux in lumen (lm). 1600 Lumens to watts is typically 14 watts to 25 watts using LED, but is dependent on the efficiency of the light source.
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