To convert between the traditional incandescent light watt that for many of us is a measure of how much light is need not be so difficult. The luminous flux of light to experience the light is no exact number, and you can try to go on an approximate scale instead.
My recommendation is that you learn about these levels:
Any light sources below 100 lumen omnidirectional will give a right low light. They use them for amenity lighting where the light does not need to make any greater amount of light. In our shop we sell, e.g. a pear lamp in as little as 23 lumens or a slightly larger 70 lumens. Use that used a 15W bulb.
For lights that provide directional lighting, such as a spotlight 100 lumens can be a quite strong light on the scattering angle is 23-35 degrees. It enables a lamp at 120-130 lumens well works great as a bedside lamp.
Here begins the light to help brighten up the room. Works well in, e.g. a reading light that does not have a directional light. It is fine to use in luminaires for lighting up in soft, indoor lighting where you do not want a too strong light. Used much as 25W incandescent lamps.
A spotlight with a narrower beam angle will turn very sharply with a luminous flux of 200 lumens.
Here we begin to talk about the lights that lit absolute right sharply. They can replace 40W incandescent light. Works in the ceiling lights and general illumination. Here begins the color of light play an increasingly important when the light will give character to the room. Also note that this is the color rendering is important. Follow HetongDIY for LED lighting bulb.
Do you really bright light you should go for lights that is over 700 lumens. These can be used as 60W incandescent and here are variations in temperature, light large.
Translation table between incandescent watts and lumens
15W -> 90 lm
25W -> 200 lm
40W -> 420 lm
60W -> 720 lm
75W -> 950 lm
100W -> 1300 lm
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