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Formula verified · Deterministic calculation

Current Calculator

Calculate signed current from voltage and positive resistance. This certified calculator evaluates I = V/R with deterministic validation.

Result3
CalcuMint Pro

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Result methodology

Deterministic calculation using the displayed physics formula and supplied compatible units.

Solution steps
  1. Current = 3

How this calculator works

Current equals voltage divided by resistance: I = V/R.

Formula

I=V/R

Current from voltage and positive resistance.

Worked example

Verified example is a verified test case used by the calculation engine.

Assumptions and limitations

  • Resistance must be greater than zero.
  • Voltage may be signed.
  • 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.

  • CalcuMint deterministic physics engine

Frequently asked questions

Why must resistance be positive?

This calculator divides by resistance, so zero resistance is outside this model.

Can current be negative?

Yes when voltage is negative under the selected sign convention.

Related calculators

Ohm's Law CalculatorCalculate voltage from current and resistance using Ohm's law.Voltage CalculatorCalculate voltage from current and resistance.Resistance CalculatorCalculate resistance from voltage and nonzero current.