Optimize LED lighting designs with this LED Voltage Drop Calculator. Quickly calculate voltage drop for efficient, long-lasting LED installations, ideal for both custom and large-scale projects.

How to Use:

  1. Enter length of wire between driver and beginning of run/tape light.
  2. Input voltage.
  3. Specify total wattage/load.
  4. Click 'Calculate' to see the voltage drop and maximum wire length.
  5. Max Length Column: Indicates the maximum wire length that can be used to keep the voltage drop under 3%.

Wire Gauge Voltage Drop
(Do Not Exceed 3%)
Max Wire Length (feet)