Parallel Resistance Calculator
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The equivalent resistance of series
resistors is the sum of each of the resistors. The equivalent
resistance of parallel resistors is computationally more complex.
Their conductances are additive. This calculator will compute the
parallel equivalent resistance for up to 6 parallel resistors. Fill
resistors in starting from R1. For unused resistors leave their
value blank. Make sure all blank resistors are at the bottom of the
You can use any units on the resistors such
as K ohms, or M ohms, so long as you are consistent.
See our standard
resistor calculator for a real world resistor value.
= 1/(1/R1+1/R2+1/R3 ...)
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