Lighting Tools

Browse all available lighting tools.

Available tools

Beam Angle Calculator Calculate the full beam angle from the beam diameter measured at a known distance from the light source.
Candela to Lumens Calculator Estimate luminous flux from luminous intensity and the full angle of an ideal uniform conical beam.
Candela to Lux Calculator Calculate illuminance from luminous intensity and distance for an ideal point source aimed perpendicular to the surface.
Foot-Candle Calculator Calculate average illuminance in foot-candles from lumens distributed uniformly across an area in square feet.
Lighting Layout Calculator Estimate the number of light fixtures needed for a rectangular room using the lumen method and explicit utilization and maintenance factors.
Lumens to Lux Calculator Calculate average illuminance from luminous flux distributed uniformly across a known surface area.
Room Lighting Calculator Calculate the luminous flux required to reach a target average illuminance across a rectangular room.
Throw Distance Calculator Calculate how far a light must be from a surface to produce a specified beam diameter at a known full beam angle.

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