# Equivalent Resistance

Calculates the Equivalent electrical resistance in Parallel and Series connection.

Case of two resistors connected in series : `R_(eq) = R_1+R_2`

Case of two resistors connected in parallel : `1/R_(eq) = 1/R_1+1/R_2`

You must enable Javascript to take advantage of all the features of our site

Calculates the Equivalent electrical resistance in Parallel and Series connection.

Case of two resistors connected in series : `R_(eq) = R_1+R_2`

Case of two resistors connected in parallel : `1/R_(eq) = 1/R_1+1/R_2`