Watts per sq. meter Estimator Compare watts/sq. meter values for two alternate lighting configurations. SEE INSTRUCTIONS AT BOTTOM. INPUT Area to be lit sq. mt. ... SYSTEM 1 SYSTEM 2 System Name (optional) No. of Fixtures Watts per Fixture .. SYSTEM 1 SYSTEM 2 Total System Load Watts per sq. meter INSTRUCTIONS: Enter the correct values in the gray cells and press calculate. Value added service from R & D Electronics Copyright ©2004 R & D Electronics All Rights Reserved