Peak-to-Peak Voltage

Vpp = 2 · Vpeak

Quick answer

This calculator solves Vpp = 2 × Vpeak for Peak-to-Peak. With Peak (Amplitude) 26.4 V, the result is 52.8 V. It solves in 2 directions, so you can enter the values you have and get the one you need.

Calculator

Peak-to-Peak (V)
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Formula

Vpp = 2 × Vpeak

Description

The peak-to-peak voltage of a symmetric waveform is twice its peak amplitude, measuring the full swing from the most negative to the most positive value. Oscilloscopes display peak-to-peak directly, so this conversion links scope readings to the amplitude used in equations. For a sine, the RMS value is Vpp/(2√2).

Variables

  • Vpp — Peak-to-peak voltage (V)
  • Vpeak — Peak amplitude from zero (V)

Practical Notes

For a sine wave Vrms = Vpp / (2√2) ≈ 0.354·Vpp. Peak-to-peak is the easiest amplitude to read on a scope but must be converted to RMS for power calculations.

Symbols and units

Symbol Meaning Default unit Accepted units
Vpp Peak-to-Peak V pV, nV, µV, mV, V, kV
Vpeak Peak (Amplitude) V pV, nV, µV, mV, V, kV

Step by step

  1. 1. What you know: Peak (Amplitude) 26.4 V
  2. 2. The relation: Vpp = 2 × Vpeak
  3. 3. Substitute: Vpeak = 26.4 V
  4. 4. Result: Peak-to-Peak = 52.8 V

Worked examples

Minimum range

Given: Peak (Amplitude) 0.726 V

Result: Peak-to-Peak = 1.452 V

Low range

Given: Peak (Amplitude) 7.26 V

Result: Peak-to-Peak = 14.52 V

Typical

Given: Peak (Amplitude) 26.4 V

Result: Peak-to-Peak = 52.8 V

High range

Given: Peak (Amplitude) 0.506 kV

Result: Peak-to-Peak = 1.012 kV

Maximum range

Given: Peak (Amplitude) 5.06 kV

Result: Peak-to-Peak = 10.12 kV

Solving for each variable

Solve for Peak-to-Peak

Peak (Amplitude) 0.726 V → 1.452 V

Solve for Peak (Amplitude)

Peak-to-Peak 0.33 V → 0.165 V

How Peak-to-Peak changes with Peak (Amplitude)

Peak (Amplitude) (input) Peak-to-Peak (result)
5.81 V 11.62 V
14.53 V 29.05 V
29.05 V 58.1 V
43.58 V 87.15 V
58.1 V 116.2 V
87.15 V 0.1743 kV
116.2 V 0.2324 kV
0.2324 kV 0.4648 kV
0.4067 kV 0.8134 kV
0.581 kV 1.162 kV

The same result in other units

Unit Value
mV 52800
V 52.8
kV 0.0528

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Frequently asked questions

How do you calculate Peak-to-Peak Voltage?

Use Vpp = 2 × Vpeak. With Peak (Amplitude) 26.4 V, Peak-to-Peak works out to 52.8 V.

What is the formula for Peak-to-Peak Voltage?

The formula is Vpp = 2 × Vpeak. The peak-to-peak voltage of a symmetric waveform is twice its peak amplitude, measuring the full swing from the most negative to the most positive value.

How do you find Peak (Amplitude) when you know the other values?

Rearrange for Peak (Amplitude): with Peak-to-Peak 0.33 V, Peak (Amplitude) is 0.165 V.

What units does Peak-to-Peak Voltage use?

Peak-to-Peak is shown in mV, V, kV. Values are held in SI base units internally, so you can mix prefixes without converting by hand.

Related Concepts

All AC Circuits formulas →
Resonant Frequency Impedance (RLC Series) Quality Factor (Bandwidth) Quality Factor (RLC) Power Factor Apparent Power Reactive Power RLC Circuit Bandwidth

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