LED Resistor Calculator
Find the current-limiting resistor for an LED from the supply voltage, LED forward voltage and current, with the nearest standard value and power rating.
Result
Exact resistance
150Ω
- Use this standard resistor
- 150Ω
- Power in the resistor
- 0.06W
- Resistor rating (2× margin)
- 1/8 W
- Current with the standard resistor
- 20mA