Candela to Lumens Calculator
Convert luminous intensity (candela) and beam angle into total luminous flux in lumens.
Open Calculator →Candela to Lux Calculator
Convert luminous intensity (candela) and distance into illuminance in lux using the inverse-square law.
Open Calculator →Footcandles to Lux Calculator
Convert an illuminance reading from footcandles to lux.
Open Calculator →Lumens to Candela Calculator
Convert luminous flux (lumens) and beam angle into luminous intensity in candela.
Open Calculator →Lumens to Lux Calculator
Convert luminous flux (lumens) and illuminated area into illuminance in lux.
Open Calculator →Lumens to Millicandela Calculator
Convert luminous flux (lumens) and beam angle into luminous intensity in millicandela for small LEDs.
Open Calculator →Lumens to Watts Calculator
Estimate a light source's power draw in watts from its lumens and luminous efficacy.
Open Calculator →Lux to Candela Calculator
Convert a lux meter reading and distance into candela with the inverse-square law, free online lighting calculator.
Open Calculator →Lux to Footcandles Calculator
Convert lux to footcandles instantly, the imperial illuminance unit still used in US lighting codes and datasheets.
Open Calculator →Lux to Lumens Calculator
Convert a target lux level and room area into the total lumens a lighting design needs to deliver.
Open Calculator →Lux to Watts Calculator
Estimate the wattage needed to hit a target lux level over a room's floor area, using adjustable luminous efficacy.
Open Calculator →Millicandela to Lumens Calculator
Convert an LED's millicandela rating and beam angle into total luminous flux in lumens.
Open Calculator →Watts to Lumens Calculator
Estimate a bulb's lumen output from its wattage and luminous efficacy, and see why LEDs replaced watts with lumens.
Open Calculator →Watts to Lux Calculator
Estimate the lux a bulb produces in a room from its wattage, efficacy, and floor area in one calculation.
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