basic

Current Divider Calculator

Branch current through one of two parallel resistors.

Compute the current through one branch of a two-resistor parallel current divider from the total source current.

Daniel Oh By Daniel Oh
Reviewed by Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

A
Ω
Ω

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

I₁ = I_total · R₂ / (R₁ + R₂)

In depth

Compute the current through one branch of a two-resistor parallel current divider from the total source current.