Photometric Beam Calculator
Enter any two values to calculate the third.
Use the same units for Beam Width & Throw Distance (feet, meters, etc.).
Enter any two values to calculate the third.
Use the same units for Beam Width & Throw Distance (feet, meters, etc.).
Enter any two values and I’ll calculate the third.
Uses the current (A) from above. Enter run length and supply voltage to see drop %.
| AWG | Max A (rule of thumb) |
Drop % for your run |
|---|
⚠️ Quick-estimate only. Always confirm final wire size against local code and manufacturer specs.