How Much Light Do You Need For Your Room ?

How much light do you need for your room? Whether you are planning LED strip lights for a bedroom, office or retail space, understanding illuminance, lumens and wattage helps you buy the right product the first time. KayTai — a professional LED strip manufacturer — walks you through the simple calculations. Start with our LED strip light selection guide or the Fitas LED catalog.

1. Determine the Width and Length of Your Room

You should determine the width and length of your room. The best way to find out how much light you need is to determine the size of your room. This can be done by measuring the length and width of the walls, including all doors and windows. Here is how:

The recommended minimum illuminance for an office environment is 300 footcandles; for a residential space it is 400 footcandles; for an industrial setting it is 550 footcandles; and for retail use it is 700 footcandles.

2. Know More About the lm/w Method

Find which lm/w method is appropriate for your application. This depends on whether you are trying to light an entire space or just a work surface like a desk or table top. To light the whole room, you will need several fixtures — the more fixtures you have, the brighter the room will be. The bulbs in luminaire kits come in two different varieties: linear fluorescent and compact fluorescent. Each has its own advantages, so it is important to choose the right one for your application.

3. How Many Watts of Light Do I Need for My Room?

The amount of light needed in your home depends on the size of your room, whether or not you have windows, and how much natural light comes through them. If you are planning to use a floor lamp or table lamp in your room, it is best to calculate the wattage based on the height of the lamp. For example, if you have a standing floor lamp that is 4 feet tall, then you will need 40 watts of light. If you want to make sure that there is enough lighting in every corner of your room, then it is best to add up all the wattages together. For example, if you want a total of 200 watts in your bedroom, then it would be best to get two 100-watt bulbs and one 75-watt bulb instead of just one 200-watt bulb. This way each bulb will cover more ground and give off more light, so there are no dark spots left behind in any part of the room.

Recommended COB LED strip products from KayTai:

RGB COB

RGBW COB

Tunable White COB

White COB

4. Are LED Lights Enough for a Room?

LED lights are great for illuminating a room because they do not get hot, they are long-lasting, and they do not use much electricity. But how much light is enough for a room? Typically, people want at least 500 lumens per square foot of space. If you were to place your hand in front of the light source and you could see it clearly — without straining your eyes — then the light source is probably sufficient. If you cannot see what is in front of you when you are in a room, then there is not enough light.

5. How Do I Calculate How Many Ceiling Lights I Need?

Determining how many ceiling lights you need for your room is as simple as using a few basic measurements and following a few simple calculations.

Popular RGBW / RGB LED strip products from KayTai:

5 IN 1 RGBWW 60

4 IN 1 RGBW 96

RGB 2835 120

RGB 5050 30

RGB 5050 60

6. How Bright of Light Do I Need?

The brightness of the light is measured in lumens. A lumen is the unit of measurement for light output. One lumen is equivalent to the amount of light produced by one candle. If you want to find out how many lumens your room needs, simply measure the room and multiply by 3. The average home has a maximum of 20 feet per lumen of light. For example, if your room is 16 feet long by 12 feet wide, then it needs 48 lumens (16 x 3 = 48).

The recommended amount of lumens per square foot depends on what you are using the light for. If you are looking for something bright enough to read by, you will need at least 300 lumens per square foot. If you want to cook or do fine work with precision tools, then 600 lumens per square foot will be sufficient.

7. How Many Watts Is Good for a Bedroom?

LED lights for the bedroom are a great choice for many reasons. They are bright but low wattage, so you can use them in areas where you do not have access to an electrical outlet. They are also energy efficient and last longer than incandescent bulbs. The number of watts that your light uses directly relates to how much light it gives off. The higher the number of watts, the brighter the bulb will be. However, with LED lights, there is no need to worry about how many watts they use because they draw only a small amount of power, even though they give off plenty of light. If you want a general idea of how many watts is good for a bedroom, here is what you need:

8. How Bright Should a Bedroom Ceiling Light Be?

Bedroom ceiling lights can be bright enough to provide light for reading, but not so bright that they disturb your sleep. The best way to achieve this is with a dimmer switch on the ceiling light. The brightness of the bulb is measured in lumens — the amount of visible light emitted by a light source, expressed as a multiple of a standard unit called the candela (cd). If you want your bedroom ceiling light to be bright enough to read by, then you will need at least 300 lumens. A standard 60W incandescent bulb produces around 850 lumens, while an energy-saving compact fluorescent (CFL) bulb produces just 300 lumens.

Takeaway: You need to know how much light you need.

Conclusão

When you go to the store and buy your LED lights, there is not a way to figure out how much power you need based on the lighting fixture. You will have to bring in all of your LED light fixtures that you wish to use in your room, and measure the total wattage of those fixtures, then bring them to the store with you when you purchase your fixture. This way, when you are installing them, you will be able to match up how many watts of power each fixture uses. Then install your new fixture based on how much wattage you have under your cabinets.