Lighting

Lux to Candela Calculator — ChiefEngineer.in

Convert illuminance to luminous intensity at a distance.

Reset

Formula

I = E × r²

Variables

  • E — illuminance (lx)
  • r — distance (m)
  • I — intensity (cd)

Worked Example

Input: 500 lx, r = 2 m

Result: I = 2000 cd

Assumptions & Notes

Point-source, perpendicular surface.

Related Calculators

← Back to all calculators