Quickly determine the voltage drop across a resistor in any electrical circuit. Our easy-to-use online calculator helps engineers, students, and hobbyists apply Ohm's Law to understand voltage loss, ensuring precise component selection and efficient circuit design. Input resistance and current to get instant results.
Formula:
The voltage drop (V) across a resistor is calculated using Ohm's Law: V = I × R
Where:
- V = Voltage Drop (Volts)
- I = Current (Amperes)
- R = Resistance (Ohms)