As a rule you ll replace a standard 75 watt bulb with an energy saving bulb of about 1100 lumens.
22 watt fluorescent bulb lumens.
The power p in watts w is equal to the luminous flux φ v in lumens lm divided by the luminous efficacy η in lumens per watt lm w.
Designed to replace fluorescent tube bulbs these led tubes are available in 8 and 16 watts which replace traditional 25 watt and 40 watt t8 t10 t12 fluorescent tubes.
Leds require less wattage than cfl for the same amount of light.
Average initial new lumens out of the package for a 32 watt bulb at 3500k color temperature is 2850.
Lumens to watts calculator watts to lumens calculation.
P w φ v lm η lm w lumens to watts table.
Luxrite lr20575 2 pack fc8t9 d 22 watt 8 inch t9 fluorescent circular light bulb daylight 6500k 980 lumens g10q 4 pin base 4 2 out of 5 stars 43 15 99 15.
While the math for the cfl bulbs is simple the led bulbs are even more energy efficient and durable than compact fluorescent light bulbs.
φ v lm p w η lm w watts to lumens calculation.
Bulbmaster fc8t9 cw 22 watt 8 inch round t9 fluorescent circular light bulb cool white 4100k 1120 lumens g10q 4 pin base 22w circline ceiling lights 3 8 out of 5 stars 23 7 99 7.
Energy saving lamps have high luminous efficacy more lumens per watt.
Linear t12 fluorescent tube light bulb bright white 3000k ideal for installation in a kitchen bathroom ideal for installation in a kitchen bathroom or other living space requiring soft detail enhancing white light.
Lumen outputs can vary per 4 fluorescent bulb depending on the type wattage and manufacture.
This philips 20 watt t12 linear fluorescent light bulb f20t12 brightwhite 3000k emanates 1 350 lumens of light with a 3000k color temperature for bright.
Because fluorescent lights are often installed in high ceilings in commercial sites there are additional savings because the frequency of changing bulbs is greatly reduced.
Energy saving lamps have high luminous efficacy more lumens per watt.
In reality though most people are looking for a cheap 2 50 bulb or even less.
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.
Watts to lumens calculator lumens to watts calculation formula.
Cnsunway lighting t8 t12 led bulbs 4ft 22 watts double ended power ballast bypass 2400 lumens 6000k replace 4 foot fluorescent light fixture 25 pack 4 6 out of 5 stars 316 117 99 117.