Ohm's Law Calculator
Solve V = IR for voltage, current, or resistance.
FreeNo accountOn your device
Calculator
Solve for
V (volts)
I (amps)
R (ohms)
Result
-
Enter values and calculate to see the answer here.
How it works
1
Step 1
Open the tool from search or its category page.
2
Step 2
Enter the numbers or expression you need.
3
Step 3
Review the result, then copy it.
Questions
Is Ohm's Law Calculator free?
Yes. UtilBloom tools are free, with no account and no usage caps.
How do I use Ohm's Law Calculator?
Enter the values you have, run the calculator, then copy the result.
Features
- Instant calculator
- No account required
- Copy the answer
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