Tools / LED Voltage Drop Calculator
LED Voltage Drop & Wire Gauge Calculator
Free LED voltage drop calculator: estimate volts lost on the wire, percent drop, and end-of-run voltage by AWG, amps, and length.
Voltage drop—
Percent drop—
Voltage at far end—
Assessment—
Why strips pink out
Wire resistance steals volts. Keep drop ~≤3%. Inject power or thicken copper.
Control the lights after you wire them
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