How bright are foot candles?
Table of Contents
How bright are foot candles?
One foot-candle equals 10.76 lumens (a lumen is considered the same as lux, which is what most modern light meters calculate their measurements in), so in order to convert your foot-candles to lumens, you will need to take the amount of foot-candles measured and multiply by 10.76 to get the number of lumens.
How many lumens is 30 foot candles?
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 foot candles is daylight?
1,000 foot-candles
Full daylight typically equals about 1,000 foot-candles, while an overcast day would have only 100 foot-candles of light. Twilight produces just 1 foot-candle, while a night with a full moon has 0.01 foot-candle and an overcast night has only 0.00001 foot-candle.
How many foot candles is 2000 lumens?
20 footcandles
Lumens calculation summary For example, a 100-square foot living room, which needs 20 footcandles, will need 2,000 lumens.
How many foot-candles is a lumen?
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.
Are foot-candles and lumens the same?
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 foot-candles do my plants need?
Plants referred to as low light intensity plants generally should receive between 50 and 250 foot-candles. Under artificial light, a few plants in this group can be maintained at as little as 10 foot-candles. Low-light plants should receive between 10 and 15 watts of fluorescent light per square foot of growing space.
How many foot-candles are in the shade?
Low. 1000-1800 footcandles–reduced sunlight, so that if a hand is passed over the leaves it does not produce a shadow. Very low. Less than 1000 footcandles–deep shade.
How do you convert foot-candles to lumens?
How do you convert lumens to foot-candles?
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.
What is considered bright light for plants?
Bright Light: Bright light means a sunny southern or western facing window that receives direct light all day long. It should get a minimum of five to six hours of sunlight each day, preferably more.
How many foot candles does a peace lily have?
Find it here:
| Plant | Good Growth | Minimum for Maintenance |
|---|---|---|
| Peace Lily (Spathiphyllum) | 200 FC (40 µmol) | 100 FC (20 µmol) |
| Peperomia (many species) | 200 FC (40 µmol) | 100 FC (20 µmol) |
| Phalaenopsis (Moth Orchid) | 400 FC (80 µmol) | 200 FC (40 µmol) |
| Philodendron Vines (Heart-leaf, Brasil, etc) | 200 FC (40 µmol) | 100 FC (20 µmol) |
How many foot candles is a lumen?
How many foot candles are in a 100 watt bulb?
Their 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.
