How Many Watts Is A Foot Candle?

How bright is 40 foot candles?

In some areas, foot-candles will be higher than 40, and in other areas, it will be lower, but it will average out at 40.

You’d need a fixture or multiple fixtures combined that will give you about 40 lumens of light per square foot..

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 a 30×40 shop?

30X40=1200sqft X 100 Lu = 120000 /2600 = 46 T8 32W tubes or 12 4 tube fixtures. 2600 lumens per 32W T8 tube is about average.

What color LED light is best for kitchen?

whiteBright white/cool white (4100 Kelvin): Best in kitchens, bathrooms or garages; giving rooms a whiter, more energetic feel. Daylight (5000-6000 Kelvin): Best in bathrooms, kitchens and basements; good for reading, intricate projects, or applying makeup—provides the greatest contrast among colors.

How do you convert foot candles to Watts?

Calculation Cheat Sheet:To calculate Lumens (Lux) from foot-candles: Lumens = Foot Candles x 10.76.To calculate Watts from foot-candles: Watts = Lumens x 0.001496.You can also calculate the number of watts directly from foot-candles by combining both equations & using the following: Watts = Foot Candles x 0.01609696.

How many foot candles are in a 100 watt bulb?

400 foot candlesTheir efficiency is in the range of 4 lumens per watt. This means that a 100 watt bulb will generate 400 lumens – TOTAL. (Here’s the big leap) Now, if we COULD reflect all of that 400 lumens onto 1 square foot we would get a light intensity of 400 foot candles.

How do you calculate foot candles?

A foot-candle equals one lumen per square foot. This is a British measurement. Using the metric system, a lumen is measured by a square meter or a lux. Thus a foot-candle is equivalent to approximately 10 lux or 10.57 lux.

How many candlepower is a 60 watt bulb?

Your average 60 watt household light bulb produces 650 to 700 lumens when burned under standardized conditions. Therefore you can estimate that a 60 watt household light bulb, burned under average household conditions might produce somewhere between 50 and 55 candle power, give or take…

What’s the difference between lux and foot candles?

There is no difference between foot candles and lux in respect of what they measure. … The footcandle is an ‘imperial measurement’, while lux is a metric (or SI) measurement.

How many foot candles is low light?

Plants referred to as low light intensity plants generally should receive between 50 and 250 foot-candles. Medium-light plants prefer 250 to 1,000 foot-candles. Best growth occurs above 750 foot-candles unless plants also receive extended periods of direct sunlight.

How many foot candles is bright indirect light?

1000-2000 foot candles1000-2000 foot candles of light are considered bright indirect light.

How strong is 5000 lumens?

For the average living room of 250 square feet, you’ll need 5,000 lumens as your primary light source (20 lumens x 250 square feet), equivalent to about five 100 watt incandescent light bulbs, five 23 watt CFLs, or eight 10 watt LED light bulbs.

How bright is a foot candle?

One foot-candle is defined as enough light to saturate a one-foot square with one lumen of light.

How many lumens is 30 foot candles?

Determine the Needed Lumens A 100 square foot dining room, which needs 30-40 foot-candles, will need 3,000-4,000 lumens.

How many Lux is a candle?

One foot candle is about 10.764 lux. Since one foot-candle is the illuminance cast on a surface by a one-candela source one foot away, a lux could be thought of as a “metre-candle”, although this term is discouraged because it does not conform to SI standards for unit names.