Ohm’s law resistance
Engineering / FREE CALCULATOR
Infer ideal resistance from voltage and current.
Your answer starts here.
Enter your values and select Calculate to see the result and any available breakdown.
How to use this calculator
- Enter voltage (v). Use the unit shown beside the field.
- Enter current (a). Use the unit shown beside the field.
- Select Calculate and review the result. Select Reset to restore the example inputs.
How the calculation works
Voltage (V)/Current (A)
Worked example
Voltage (V) = 12; Current (A) = 2. Result: 6 Ω.
Understand your result
Infer ideal resistance from voltage and current. The result is expressed in Ω.
Assumptions and limitations
Not suitable for nonlinear components without further modelling. Results are rounded for display.
Questions about this tool
What does this tool calculate?
Infer ideal resistance from voltage and current.
What should I check before using the answer?
Not suitable for nonlinear components without further modelling.
Related guides
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