DAN BERENS
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Lighting & ELECTRICITY CALCULATORS


Voltage Drop Calculation 
In Metric Size Cables


Instructions - Enter your settings in the grey boxes.

Copper

The Resistivity of Copper at 50 degrees Celsius (Ohm cm) = 0.000001858
The Resistivity of Copper at 40 degrees Celsius (Ohm cm) = 0.000001804
The Resistivity of Copper at 35 degrees
Celsius (Ohm cm) = 0.000001775
The Resistivity of Copper at 30 degrees Celsius (Ohm cm) = 0.000001745
The Resistivity of Copper at 25 degrees Celsius
(Ohm cm) = 0.000001713
The Resistivity of Copper at 20 degrees
Celsius (Ohm cm) = 0.0000017
The Resistivity of Copper at 15 degrees
Celsius (Ohm cm) = 0.000001644
The Resistivity of Copper at 10 degrees Celsius (Ohm cm) = 0.000001609
The Resistivity of Copper at 5 degrees Celsius
(Ohm cm) = 0.000001575
The Resistivity of Copper at 0 degrees Celsius (Ohm cm) = 0.000001544
The Resistivity of Copper at -5 degrees Celsius (Ohm cm) = 0.00000151
The Resistivity of Copper at -10 degrees Celsius (Ohm cm) = 0.000001477
The Resistivity of Copper at -15 degrees
Celsius (Ohm cm)
The Resistivity of Copper at -20 degrees Celsius (Ohm cm)
The Resistivity of Copper at -30 degrees
Celsius (Ohm cm) = 0.000001342
The Resistivity of Copper at -40 degrees
Celsius (Ohm cm)
The Resistivity of Copper at -50 degrees
Celsius (Ohm cm)

* This calculator will not work for
extremely long cable lengths.
** Results may change with real wires: different resistivity of material and number of strands in wire

MIRED SHIFT CALCULATOR

Mired_Shift_Gel_and_Camera_Filter_Tables.pdf
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File Type: pdf
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Comparative Scene Illumination

If at 15 metres  from your light source your getting a reading of 500 Lux, what will be the new reading at 20 metres be?

Light Coverage Calculators

Beam with given beam angle and Distance

​Distance Given Beam Width and Beam Angle

​Beam Angle Given Beam Width and Distance

© 2014 Dan Berens
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