Convert between peak, peak-to-peak, and RMS voltage values for AC circuits.
Enter one voltage value to calculate all others.
What your voltmeter reads. UK mains = 230V rms.
Calculate V, I, R, or P — enter any 2 values
Calculate PF, apparent power, reactive power, and correction capacitance
kVA, kW, kVAR, phase voltage and angle for balanced loads