Physics

Resistors in Series

Total resistance in series.

Formula

Formula
R = R1 + R2 + …

Variables

SymbolDefinitionType & rangeUnitsRole
Rᵢ resistances (Ω) list of real numbers input

Try it yourself

Interactive calculator
comma or space separated numbers
Result

Worked examples

Example 1
Givenresistances = 10, 20, 30
Result60
Example 2
Givenresistances = 100, 220
Result320