Resistance Calculator
Find the resistance that produces a given current at a given voltage.
R = V / I
- R = resistance (Ω)
- V = voltage (V)
- I = current (A)
Result
Enter values and press Calculate.
R = V / I
For educational and general reference only. Results depend on the accuracy of the values entered and are rounded to the selected precision. Verify critical designs with a qualified engineer and applicable codes. Full disclaimer