# Question: How Do You Calculate Lighting For An Area?

## How many feet LED lights do I need?

Usually, a single-density strip (nine or less LEDs per foot) will need to run back to a power source every 32 13/16 feet (10 meters).

A high-density strip (18 or more LEDs per foot) will need to run back to a power source every 16 3/8 feet (5 meters)..

## How many amps does a 4 foot LED light draw?

The Feit 4′ LED shop lights draw about 0.3amps each according to the manufacturer.

## How many downlights do I need calculator?

A general rule of thumb for spacing your downlights is to take the height of your ceiling and divide by 2. For example, if your ceiling is 8 feet high, then your downlights should be around 4 feet apart from each other. It is important to consider that this is only a very general rule and should be used with caution.

## How many lumens is a 30×40 shop?

For example, a 40-watt fluorescent bulb puts out about 2,200 lumens. A 60-watt incandescent bulb puts out about 800 lumens. Likewise, how many lumens is a 30×40 shop? 30X40=1200sqft X 100 Lu = 120000 /2600 = 46 T8 32W tubes or 12 4 tube fixtures.

## How many LED lights do I need in my shop?

Suppose your shop has a total square footage of 1,800 square feet and you want a lighting level of 30 lumens per square foot. The total lumens lighting required are equal to 1,800 square feet times 30 foot candles per square foot, or 54,000 lumens. Calculate how many lights you need.

## Is 3000 lumens too bright?

In other words, 3,000 lumens is meant to give a room a brighter light. This is not ideal if you have a small room and it’s a bedroom. You don’t want to blind your eyes when you’re about to go to bed. On the other hand, 2,000 lumens is ideal if you wish to light up a 200 square-foot living room.

## How many lumens is 100 square feet?

To determine the needed lumens, you will need to multiply your room square footage by your room foot-candle requirement. For example, a 100 square foot living room, which needs 10-20 foot-candles, will need 1,000-2,000 lumens. A 100 square foot dining room, which needs 30-40 foot-candles, will need 3,000-4,000 lumens.

## How many lumens do I need calculator?

To estimate the number of lumens your space will need, just multiply the square footage of your room by the number of foot-candles required for the space. For example, for a bathroom that is 64 square feet with a foot-candles range of 70-80, you’ll need from 70×64 to 80×64 lumens, or 4480 – 5120 lumens.

## How many lumens do I need per square Metre?

For example, if your room measures 4m x 5m it has an area of 20 square metres. If you are using conventional bulbs multiply this by 25 giving a total wattage of 500 watts, or a light level of around 5000 lumens required.

## What is the best distance between LED downlights?

Then space your downlights evenly across the room for a balanced look. As a rule of thumb, we suggest you divide your ceiling height by 2 to give you the space required between each downlight. For example if your ceiling is 8 foot high, then position your lights 4 feet apart.

## How bright should shop lights be?

Well, if you have a fluorescent shop light that uses 2 lamps that are 30 Watts each, you can estimate that you will want roughly 3000 lumens from your shop light to maintain the same level of brightness. Color temperature is a number that describes how “yellow” or “blue” a light’s color is.

## What does 10 lumens mean?

A lumen measures the amount of light that comes from a bulb. … A standard 40-watt (40W) bulb is equal to 400+ lumens.

## What is 10 lumens in Watts?

Lumens to watts tableLumensIncandescent light bulb (watts)Fluorescent / LED (watts)375 lm25 W6.23 W600 lm40 W10 W900 lm60 W15 W1125 lm75 W18.75 W3 more rows

## How do I calculate lumens lighting for a shop?

Both are important for indoor lighting measurements.Add up the lumens of all the bulbs in the shop. The lumens of each bulb should be printed on the bulb, or the packaging. … Measure the area of the shop in feet. … Convert area square feet to square meters, multiplying by 0.09. … Divide the total lumens by square meters.

## How bright is 800 lumens?

Lumens measure brightness. A standard 60-watt incandescent bulb, for example, produces about 800 lumens of light.

## How many downlights can I have on one circuit?

the wiring rules … allocates 0.5A per lighting point; so only 20 lights can be connected to a 10A circuit.

## Are led shop lights worth it?

Are LED Shop Lights Worth It? … For me, the extra investment for LED shop lights is worth it. LED shop lights turn on immediately, they are quiet, there are no bulbs to change and they were easy to install. Plus, the best part is LED shop lights are brighter than fluorescent shop lights.