 # Quick Answer: How Do You Calculate Lighting For An Area?

## How many Lux is a 100 watt light bulb?

1600 lumensTo replace a 100 watt (W) incandescent bulb, look for a bulb that gives you about 1600 lumens.

If you want something dimmer, go for less lumens; if you prefer brighter light, look for more lumens..

## How many watts is a square foot of electric heat?

10 wattsAs a rule of thumb, you’ll need roughly 10 watts of heating power for every square foot of floor area in the room. This means that a 1,500-watt heater can be the primary heat source for an area measuring up to 150 square feet.

## How much electricity does a 1500 square foot house use?

According to the Energy Information Administration (EIA), the average house in the United States between 1,500 and 1,999 sqft in size uses 11,723 kWh annually, or 977 kWh per month.

## What does 1 lux look like?

A measurement of 1 lux is equal to the illumination of a one metre square surface that is one metre away from a single candle. … One lux (1 lux) of light is a measure of the light density, equivalent to 1 lumen per square metre (lm / m^2).

## How many lights do I need per square foot?

As a handy rule of thumb, a sitting room or bedroom will generally require around 10-20 lumens per square foot, while a bathroom or kitchen will need a stronger level of lighting, at around 70-80 lumens per square foot. To work out the lumens you need, simply multiply the square footage of the room by this figure.

## How many Lux is a 60 watt bulb?

840 lumensThe word “lumen” is the standard term used to describe light output—for example, a candle gives off about 12 lumens, whereas a 60-watt soft white incandescent light bulb produces about 840 lumens.

## How many Lux is too bright?

Raise the level of light for reading to 500–800 lux, and concentrate task lighting on your needed surface at 800 to 1,700 lux. For example, in an adult’s bedroom, you need lighting to be lower to wind down your body for sleep….Room Lighting Levels.WorkshopGeneral800 luxTask1,100 lux28 more rows•Nov 4, 2019

## How do you calculate lighting requirements for a shop?

Start by measuring your space and multiply the length by the width to get your square footage. Then multiply your square footage by 70 to get the minimum lumen requirement for your workshop. For example, my shop is 12′ x 16′ = 192 square feet. I would require a minimum of 192 x 70 = 13,440 lumens.

## How bright is 800 lumens?

First, you have to consider that 800 Lumens is perfect to light-up a square meter. In a very small bathroom, this will be enough to have decent lighting. A bathroom that is 5’x 5′ with a single fixture centered above will be dimly lit.

## How do I calculate LED lights for a room?

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.

## How many watts do I need for a bedroom light?

60 wattsFor a room with decent natural light, that should be around 60 watts. For a room with few/no windows, balance the 60 watt desk light with ambient overhead lights or bump that number up to 75 watts.

## Which is mostly used for lighting calculation?

The most common methods used for lighting calculations are: (2) Lumen or Light Flux Method. This method is applicable to those cases where the sources of light are such as to produce an approximate uniform illumination over the working plane or where an average value is required.

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

The current regulations indicate that to illuminate an office, for example, we recommend about 300-400 lumens per square meter of surface. Therefore, if your goal is to illuminate an area used as an office whose surface is 100 square meters, the light potency you will need will be around 30,000-40,000 lumens.

## How many watts is a square foot?

The general rule of thumb for providing light for an area is a minimum of 30 watts per square foot. 50 watts per square foot is optimal.

## How do you calculate shop lighting?

Add the square feet of all the sections together to find the total square footage. Multiply the square footage by the desired lighting intensity in foot candles per square foot. 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.

## How do you calculate lighting?

Lighting Calculation – Summary Multiply the area in square meters by the lux, or the area in square feet by the footcandles. work out how many bulbs you need. Divide the number of lumens by the number of lumens delivered by each bulb.

## What color LED light is best for kitchen?

whiteWarm white (3,000 to 4,000 Kelvin) is more yellowish-white. These bulbs are best suited for kitchens and bathrooms. Bright white (4,000 to 5,000 Kelvin) is between white and blue tones.

## How many watts is a square meter?

164 WattsAverage over the entire earth = 164 Watts per square meter over a 24 hour day.