How to Calculate the Peak-to-Peak Voltage from RMS Voltage If you are given the peak voltage value, you can calculate the peak-to-peak voltage using the above formula.Īll you have to do to obtain the V PP is to multiply the peak voltage by 2. How to Calculate Peak-to-Peak Voltage from Peak Voltage The formulas to calculate the V PP from either of these voltages are shown below: Peak-to-peak voltage can be calculated either from the peak voltage, the rms (root mean square) voltage, or the average voltage. The waveform above is now shown below with regard to peak voltage, not peak-to-peak. Therefore, the peak voltage isĮxactly half of the peak-to-peak voltage waveform. Line to the positive peak of the voltage waveform. While peak-to-peak voltage is the voltage from the trough of the waveform all the way to the crest, the peak voltage is the voltage from the 0 reference Sometimes peak voltage and peak-to-peak voltage are confused with each other. There is another type of voltage called the peak voltage. This V PP of 20V represents the entire vertical length of the voltage of this waveform. Therefore, this waveformĪbove has a peak-to-peak waveform of 10V-(-10V)=20V. You can see that the voltage waveform above reaches a top peak, or crest, of 10V of positive voltage and a bottom peak, or trough, of -10V. So peak-to-peak voltage is just the full vertical length of a voltage waveform from the very top to the very bottom.īelow we show another sine waveform but this time with numerical values, to serve as a mathematical illustration of peak-to-peak voltage: You can see that all this is shown in the above diagram. Peak-to-peak voltage, V PP, is a voltage waveform which is measured from the top of the waveform, called the crest, all the way down to the bottom of the waveform,
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