Converters & Utilities
Percent ↔ Decimal Converter
Convert between percentage and decimal form — used throughout lighting calculations for CU, LLF, dimming levels, efficiency ratings, and reflectance values.
Percent
%
⇄
Decimal
0.700
decimal
In CU / LLF Calculation
As multiplier× 0.700
E = (Lm × CU × LLF) / Astandard form
1000 lm × this700 lm
100 lm/W × this70 lm/W eff.
Dimming Context
Dim level70%
0–10V signal7.0 V
PWM duty cycle70%
DALI arc level178 / 254
