How does the Current Divider Calculator work?

Parallel resistors with same voltage across them Then: Formula: I1 = Itotal × (R2 ÷ (R1 + R2)) Then: Current inverse to resistance Then: Lower resistance draws more current.

Can you give an example of how to use the Current Divider Calculator?

Example: Input I=10A, R1=2ohm, R2=2ohm gives a result of I1=5A, I2=5A.

Is the Current Divider Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Current Divider Calculator?

Our Current Divider Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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Current Divider Calculator

Total Current (A)

Resistor 1 (Ω)

Resistor 2 (Ω)

Calculates current distribution across parallel resistors. Shows how current splits in parallel paths.

Symbol	Name	Unit	Description
I1	Itotal × (R2 ÷ (R1 + R2))	—	Itotal × (R2 ÷ (R1 + R2))
R2	R2 value	—	Variable used in the calculation
R1	R1 value	—	Variable used in the calculation

Difficulty:intermediate

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Did You Know?

Power dissipation in parallel paths follows square of current; lower R path dissipates 4× more heat.

References

›Current Divider Guide

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Current Divider Calculator

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Current Divider Calculator