Current Divider Calculator

Your details

Resistive: standard DC or AC resistors. Inductive/Capacitive: AC branches with frequency.
The total current supplied by the source, entering the parallel network.
A
How many parallel branches share the current.
Resistance of branch 1 in ohms.
O
Resistance of branch 2 in ohms.
O
Resistance of branch 3 in ohms (only used with 3 or 4 branches).
O
Resistance of branch 4 in ohms (only used with 4 branches).
O
Branch current I1
0.666667A

Current flowing through branch 1.

Branch current I20.333333A
Equivalent impedance13.3333
I1 share66.67%
I2 share33.33%
I1 (%)66.67
I2 (%)33.33
I3 (%)-
I4 (%)-

Total 1.0000 A divides across 2 parallel branches.

  • In a parallel resistive circuit the branch with the smallest resistance carries the most current.
  • Branch 1 carries the most current (666.6667 mA), which is 66.7% of the total.
  • The ratio of largest to smallest branch current is 2.00 : 1.
  • The equivalent parallel resistance is 13.3333 O, which is always less than the smallest individual value.

Next stepMultiply any branch current by its resistance (or reactance) to verify Ohm's law: all branches share the same terminal voltage.

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