Signal to Noise Ratio Calculator


The Signal to Noise Ratio Calculator to find out how much a signal as meaningful information has been corrupted by noise as unwanted signal

Signal to Noise Ratio formula

SNR = Psignal/Pnoise = μ/σ


σ is the standard deviation of the noise

μ is the signal mean or expected value

For example, when data set is {5,20,40,80,100}, then Standard Deviation(SD) = 40.0625, Signal Noise Ratio (SNR) = 1.2231. provides you helpful and handy calculator resources.