Root Mean Square(RMS)/Quadratic Mean(QM) Calculator

Free Root Mean Square/Quadratic Mean calculations online. Find the Root Mean Square/Quadratic Mean of the given numbers. Can be used for calculating or creating new math problems.


Root Mean Square is a kind of average used in statistics and engineering, it is abbreviated as RMS. To find the root mean square of a set of numbers we use following formula:
Root Mean Square(RMS)/Quadratic Mean(QM) Formula = Sqrt((X1)2+(X2)2+(X3)2+........+(XN)2/N)
X = Individual score
N = Sample size (Number of scores)