# Quick Answer: How Many Lux Is The Sun?

## How do you calculate Lux?

One lux is equal to one lumen per square metre: 1 lx = 1 lm/m2 = 1 cd·sr/m2.

A flux of 1000 lumens, spread uniformly over an area of 1 square metre, lights up that square metre with an illuminance of 1000 lux..

## What does 1 lux look like?

One lux (1 lux) is defined as being equivalent to one lumen spread over an area of one square metre. To put it another way: … So 1,000 lumens, concentrated into an area of one square metre, lights up that square metre with an illuminance level of 1000 lux.

## 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 accurate is phone Lux meter?

Light meter apps are accurate. And, their accuracy is typically within a 1/10 stop of stand-alone devices. So, if there is one key element to remember it’s this: You will achieve working, accurate results from your light meter app if used correctly.

## What direction is best for plants?

EastEast-facing windows receive cool morning sun, and are good choices for most houseplants. However, in the winter, east windows receive more sunlight than the rest of the year.

## How many Lux is dangerous?

To expand on this, direct sunlight is 32,000 to 130,000 lux, according to Wikipedia. Staring at the sun can cause eye and brain damage because it overloads your retina and causes it to release chemicals which can damage surrounding tissue (nerves). Indirect sunlight is 10,000 to 25,000 lux, which is safe.

## What is a good Lux reading?

Earlier it was common with light levels in the range 100 – 300 lux for normal activities. Today the light level is more common in the range 500 – 1000 lux – depending on activity. For precision and detailed works, the light level may even approach 1500 – 2000 lux.

## How many Lux is bright indirect light?

Bright, Indirect Light: (10,000–20,000 lux; 1,000–2,000 foot-candles). Many indoor plants will thrive in these light conditions. A south facing room, out of direct sunlight will usually have bright, indirect light. Direct Sunlight Indoors: (20,000–50,000 lux; 2,000–5,000 foot-candles).

## What is Lux in LED light?

Lux is used to measure the amount of light output in a given area – one lux is equal to one lumen per square meter. It enables us to measure the total “amount” of visible light present and the intensity of the illumination on a surface. Thus, it is important in what direction the light source shines.

## Which direction has the most light?

As the sun rises in the east and sets in the west, the south side of any house will see the most hours of sunlight during the day – especially in the Northern Hemisphere – so a south-facing garden takes advantage of this.

## How many Lux do plants need?

For Selected Indoor Plants Light Levels: A light meter measures levels of illumination, in Lux (Lumens per square metre). Low – range 270 to 807Lux. Medium – range of 807 to 1614 Lux.

## How many Lux is a 60 watt bulb?

800 lumensIf you want something dimmer, go for less lumens; if you prefer brighter light, look for more lumens. Replace a 75W bulb with an energy-saving bulb that gives you about 1100 lumens. Replace a 60W bulb with an energy-saving bulb that gives you about 800 lumens.