How this calculator works
Resistance equals voltage divided by current: R = V/I.
Formula
R=V/IResistance from voltage and nonzero current.
Worked example
Verified example is a verified test case used by the calculation engine.
Assumptions and limitations
- Current must not be zero.
- Voltage and current signs determine the algebraic result.
- Use compatible electrical units.
Methodology & sources
This calculator uses deterministic, versioned calculation logic. The formula and verified examples above are part of the calculation definition used by CalcuMint. Technical calculation version: 1.
- CalcuMint deterministic physics engine
Frequently asked questions
Why is zero current rejected?
R = V/I is undefined when current is zero.
Can the algebraic result be negative?
Yes if voltage and current have opposite signs under the supplied convention.