Lighting Tools

Light Distribution Curve Simulator

Beta

Select a light type, adjust the parameters, and see the polar LDC update in real time. Supports downlights, spotlights, tubes, panels, floodlights, high bays, and pendants. Calculates CBCP, beam angle, lux at height, and coverage footprint.

Light Type

Recessed ceiling fixture

Distribution Model

Standard downlight/flood, controls beam sharpness via cosⁿ

Total Lumens (lm)800

10030000

Beam Angle (°)90°

5°160°

Upward Light %0%

0%50%

Mounting Height (m)2.7m

0.5m10m

Lux at 2.7m mount height

@ 2.7m centre52 lux

@ 3.7m centre28 lux

@ 4.7m centre17 lux

Footprint Ø5.4 m

LED Downlight

Cosine-n distribution · 800 lm

Peak candela

382 cd

CBCP @ 0°

382 cd

Peak Candela

382 cd

Beam Angle

90°

Total Lumens

800 lm

Lux @ 2.7m

52 lx

Footprint Ø

5.4 m

Simulated reference data only. Actual photometric performance varies by product. For certified data, request an IES test report from your supplier.