Choose the area of the house that you want to illuminate. The only catch is that lumens are usually interpreted to measure the amount of light arriving in one square meterthe metric systemwhile foot candles measure how much light arrives at a given object one foot away from the light source. Lux to candela cd conversion calculator rapid tables. A footcandle is a nonsi unit of illuminance or light intensity. If the multitude of units used to describe lighting. Footcandles to lumenssquare foot conversion calculator. Once you know all these values, the foot candle calculator will determine how many lumens you need in total. Illuminance in lux lx to footcandles fc conversion calculator and how to convert. Convert candlepower old to lumensteradian conversion of. Illuminance in footcandles fc to lux lx conversion calculator and how to convert.
Candlepower and lumens are both measurements of light, but they measure different qualities of light. I have a 10,000,000 candle power super search light. Also, explore tools to convert foot candle or lux to other illumination units or learn more about illumination conversions. One footcandle fc is equal to one lumen per square foot. The foot candle or footcandle is a unit tailored to the power of the human eye.
When compared with lumens, candelas are a metric for the intensity of the light generated by a lamp. If you need to convert foot candles to other units, please try our universal illumination unit converter. The only catch is that lumens are usually interpreted to measure the amount of light arriving in one square meterthe metric systemwhile foot candles measure how much light arrives. Lumenssquare meter to footcandles conversion calculator. And its amazing for spotting far off objects such as deer chupacabras etc but its not so great for just lighting a wide area close up with intense clarity. You can also use the following lumentocandlepower and vice versa conversion calculator to convert one quantity to another. Focus on delivered lumens and footcandles, not just lumens. Oct 14, 2016 one candela is approximately the same amount of light produced by an ordinary candle. Illuminance in lux lx to luminous intensity in candela cd calculator and how to calculate. Jul 10, 2016 when trying to measure how many lumens equals a certain amount of candlepower, just remember that 12. Footcandle conversion table illumination online unit converter. This unit is commonly used in lighting layouts in parts of the world where united states customary units are used, mainly the united states.
Lumens per sq foot, lumens per sq metre, lux, metrecandles. Enter the luminous flux in lumens, apex angle in degrees and press the calculate button to get the luminous intensity in candela. Metercandle conversion table illumination online unit. Jan 22, 2009 still im pushing all of these instruments to the outer limits of their candle power. Footcandles to lumenssquare meter conversion calculator. If you want to recalculate between these units, remember that one foot candle equals 10.
Light measurement calculators international light technologies. Candela to lumens calculator it is a conversion calculator that converts the values in candela cd to lumens lm. In lighting, footcandles are a unit of illuminance equal to 1 lumen per square foot of surface. Bookmark footcandle to lumensquare foot conversion calculator you will probably need it in the future. Bookmark lumen square meter to foot candle conversion calculator you will probably need it in the future. The rail is all so 55 feet from away from the plaster line and 40 feet from the front of the pit.
Yes, by lumen method of calculating illumination intensities, you can divide the area to be illuminated by the lumen rating of the lamp. Bookmark lumensquare foot to footcandle conversion calculator you will probably need it in the future. Foot candle conversion factors illumination all illumination conversion tables centimeter candle flame foot candle lumen square centimeter lumen square foot lumen square meter lux meter candle nox phot wattsquare centimeter at 555nm. Use the following calculator to convert between foot candles and lumens square meter. Instant free online tool for foot candle to lux conversion or vice versa. The equation used to convert foot candles to lux is. Unit conversion software for windows, easily convert between 970 units in 38. The foot candle ftc, fc to lux lx conversion table and conversion steps are also listed.
How to use footcandle to lumensquare meter conversion calculator. Use this inverse square law of light calculator to find out how an irradianceilluminance measurement taken at a particular distance from a source will change as the distance to the source increases or decreases. To download, internal lighting calculator, please click here 4 visual interior lighting design tool the interior tool use the lumen method to determines average illuminance achieved on the workplane using a derived property of luminaire photometrics and room geometry called the coefficient of utilization. Type the value in the box next to foot candle ftc, fc. Illuminance formerly referred to as brightness, is a photometric term describing the total amount of light per unit area of a surface it falls on. This calculator allows you to do an approximate conversion between millicandelas or candelas and lumens for an led where you know the beam angle. Footcandles to lumens per square meter kyles converter. When measuring lumens, you can also think of it as the light illuminated in a 1square foot area one foot away from a single candle. Instantly convert footcandles fc to lumens per square meter lmm 2 and many more illuminance conversions online. You can use illumination units of lux or foot candles. The sensitivity factor on your calibration certificate is expressed in ampsm. Meter candle conversion factors illumination all illumination conversion tables meter candle centimeter candle foot candle flame phot nox lux lumen square meter lumen square centimeter lumen square foot wattsquare centimeter at 555nm.
If you want to figure out the amount of lumens in a light source only measured in candela, simply grab a calculator and multiply the candela count by 12. Conventional fixtures conversions candela to foot candles. How to convert lumen to candlepower and vice versa science. Esb calculators and unit conversion software esbunitconv pro. I can see myself using this program a lot in the future. Footcandle conversion table illumination online unit. Unit conversion tool now supports conversions between combinations of related units. Example chart of footcandles and corresponding activities. Download illumination unit converter our powerful software utility that helps you make easy conversion between more than 2,100 various units of measure in more than 70 categories. For example, a 1 candela light source will produce 1 lumen per square meter at a distance of 1 meter. For example, you can convert a length measured in miles, yards, and feet into the equivalent length in kilometers, meters, and centimeters. It means, illuminance on a surface is one candela source per meter. Illuminance unit conversion measurement conversion ai. Lumens and foot candles essentially measure the same thingthe amount of light arriving at an object or area you want to illuminate.
Lumens per square foot to footcandles kyles converter. Instantly convert lumens per square foot lmft 2 to footcandles fc and many more illuminance conversions online. Enter the illuminance in lux lx and press the calculate button to get the illuminance in footcandles fc. Lighting calculations spreadsheets electrical knowhow. Ok here is the problem, the newer flash lights are rated in candle power and the newer ones are rated in lumens. Convert candlepower to lumens by multiplying the amount of candlepower by 12. Lumens to candela calculator it is a conversion calculator that converts the luminous flux in lumens lm to the luminous intensity in candela cd. The footcandle is defined as one lumen per square foot. Click the download link under each description to download the file.
The result will appear in the box next to lumen square meter lmm2. This is a very useful program for doing all kinds of conversions. Footcandles to lux or lux to footcandles converter. The initial step is to enter the value of luminous flux in lumens. As for the balcony rail its 15 feet off of the audience level and there for 10 feet above the deck. Instantly convert footcandles fc to lumens per square foot lmft 2 and many more illuminance conversions online. Why cant the malefactors put both in the box like some lumens equal to candle power. The metric system illumination unit is lux lx and is equal to a meter candle. No direct conversion is possible for translating footcandles to lumens because these are not quite the same type of data. Use this page to learn how to convert between candelas and lumen. A foot candle is based on the english system of measurements. Please consider supporting the site with a small donation. Lets say youre planning the lighting for your kitchen, including the kitchen counter. Convert candela to lumen conversion of measurement units.
Lumenssquare foot to footcandles conversion calculator. Footcandles to lumens per square foot kyles converter. The 16th general conference on weights an measures cgpm, oct. The reason its approximate is because the specs dont usually include information about how the luminous intensity in candelas was measured. Registered users need to download from the registered users page. Footcandles to lux conversion calculator rapid tables. Illumination unit conversion between footcandle and wattsquare centimeter, wattsquare centimeter to footcandle conversion in batch, ft. For example, a 40watt lamp rated at 500 lumen has a candlepower of 500. Enter the illuminance in footcandles fc and press the calculate button to get the illuminance in lux lx. The resulting figure is the equivalent amount of lumens. Lumens lm to candela cd calculator and how to calculate. Foot candle lumen per square foot is a nonsi unit of illumination. Type in your own numbers in the form to convert the units.
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