Lumens Per Room Calculator

Measure the length and width of the room with a tape measure and multiply the two to determine the area of the room in square metres or square feet.

Lumens per room calculator.

The luminous flux φv in lumens lm is equal to the power p in watts w times the luminous efficacy η in lumens per watt lm w. It gives accurate results within a single click according to the input. Watts to lumens calculation energy saving lamps have high luminous efficacy more lumens per watt. Our room example is a living room which requires 15 lumens per square foot.

How many lumens per square foot do i need. Once you decide how bright you want the lighting calculating lumens for a room is a straightforward task. For example a 16 foot long by 14 foot wide room has a square footage of 224. What amount of lumens required per sq ft for showroom.

φv lm p w η lm w. Lighting calculation step 3 work out how many bulbs you need. Simply select one of the options from the list and our lighting calculator will automatically determine the optimal level of illumination in lux or foot candles that is how much light should be incident on the surface. November 15 2018 estefania rodriguez calculator led technologies 0 comment whether it s architectural led lighting for commercial or residential applications here s a handy tool to determine how many led lumens you ll need to properly light your space.

You can use this calculation to determine how much light per square foot you currently have in a room or to find out how much light you need or should have in a given area. For example a 3 by 4 m room is 12 m squared or 10 by 15 foot room has 150 square feet. Lumens per square foot total lumens divided by the total square footage of the area. Lumen estimation calculator knowing how many lamps you need to adequately illuminate a room or space can be tricky.

In addition to the size of the space a variety of factors such as the activities being conducted and wall reflectance can also play a role. So we have come up with led light estimator to meet need of all the customers. To get the square footage all you need to do is multiply the length of the room in feet by the width of the room in feet. Use our light requirement calculator to find out maximum led light output lumen and wattage required to illuminate your room depending on type size and specified light level.

Formula of calculating lumens to watts p w фv lm η lm w which means that the power in watts is calculated by dividing the luminous flux in lumens by the luminous efficacy in lumens per watt.