This page will be updated with shop math that is pertinent to the High School/Small scale Theater. Stage Math Layout Sheets Stage Math Safety/Instructions The following is a collection of math formulas that can prove useful to lighting designers and electricians. If you have any others that would be helpful, email them to us and we'll add them. If you experience difficulty downloading these files please contact us. You can also download a simple spreadsheet that has several useful lighting calculations built into it: Lgtcalc1 for Excel'97 (26K) Lgtcalc3 for Excel 3.0 (30K) Click on your selection, then choose "Save As" from your browser "File" menu. We are working on other down load file formats for this spreadsheet. power: Watts = Volts * Amps Amps = Watts / Volts Sine Wave (VAC): RMS Volts = 0.707 x Peak Volts RMS Volts = 1.11 x Average Volts Peak Volts = 1.57 x Average Volts Peak Volts = 1.414 x RMS Volts Average Volts = 0.637 x Peak Volts Average Volts = 0.9 x RMS Volts DC voltage drop of conductor (cable) of L length V = voltage drop, I = current | |
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