The Root mean square (RMS) average of a set of numbers is the square root of the arithmetic mean of the squares of the values.
RMS Value Formula
The formula for this is
xRMS = √(1/n)(x12 + x22 + … + xn2)
RMS Value Calculator
Use the calculator below to calculate the RMS value.
Enter the numbers x1, x2, x3, … each separated by a comma.
The RMS average of two numbers 1 and 4 is 2.915