Enter the average voltage or RMS voltage into the peak voltage calculator. The calculator will display the total peak voltage.
Peak Voltage Formula
The following formulas are used to calculate peak voltage from average or RMS voltage.
Vp = Vrms * Sqrt(2)
- Where Vp is the peak voltage
- Vrms is the RMS (root-mean-square) voltage
Vp = Vave * Pi/2
- Where Vp is the peak voltage
- Vave is the average voltage
How to calculate peak voltage
- First, determine which voltage value you will use
Voltage is typically measured as a sinusoidal function. As a result, the voltage varies over time. To measure the average of this variation, either the average voltage or the RMS (root-mean-square) voltage.
- Choose the correct formula
Next, depending on your voltage measurement in step 1, chose the formula needed to calculate peak voltage.
- Calculate Peak Voltage
Calculate the peak voltage using the equation or calculator above.
FAQ
Since voltage is not constant, but rather varies along a sinusoidal wave, typically the average voltage is measured. However, this voltage will have peak and valleys as it travels along that wave. Therefore, the peak voltage is the max voltage a voltage wave sees.
RMS stands for root-mean-square, and is exactly as it sounds. It’s the root of the square-mean. It’s very similar to the average of a set of data.
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