Electric Potential & Voltage Converter

Electrodynamics, Voltage Classification & Electric Potential Metrology

Electric Potential is the work done per unit electric charge in moving it between two points:

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• Universal Electric Potential Conversion Formulas (SI & IEC Standards)**:

1 Volt (V) = 1 Joule/Coulomb = 10^-3 kV = 10^3 mV = 10^6 µV = 10^-6 MV

1 Statvolt (statV) = 299.792458 Volts | 1 Abvolt (abV) = 10^-8 Volts

V_dBV = 20 _10(V_Volts) | V_dBmV = 20 _10(V_mV) = V_dBV + 60

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• Electron Acceleration & Electrical Power Equations**:

E_kinetic = q × V = V (in electron-volts, eV) = V × 1.602177 × 10^-19 (in Joules)

P = V × I (Active Electrical Power in Watts)

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• Standard Voltage & Physiological Benchmarks**:

• Neuron Action Potential: +40.0 mV 0.040 V Bioelectrical nerve impulse

• AA Alkaline Battery: 1.50 V 1,500 mV 3.52 dBV

• US Household Mains: 120.0 V 0.120 kV 41.58 dBV

• European / Global Mains: 230.0 V 0.230 kV 47.23 dBV

• EHV Power Grid: 500.0 kV = 500,000 V 113.98 dBV

• Van de Graaff Accelerator: 5.0 MV = 5,000,000 V 5.0 MeV beam acceleration

How to Use This Calculator

Enter your Electric Potential / Voltage (V / EMF) (e.g. 120 in V), From Electric Potential Unit — choose from Volts (V = J/C - SI Base Standard), Kilovolts (kV = 1,000 V - Transmission Lines), Millivolts (mV = 10⁻³ V - Bioelectricity / Sensors), To Electric Potential Unit — choose from Kilovolts (kV), Volts (V), Millivolts (mV), Circuit Current (I in Amperes for Power P) (e.g. 10 in A), and Electrical Grid & Physical Benchmark — choose from Custom Voltage Level, US Residential Mains (120.0 V AC @ 10A) → 0.120 kV | 1.20 kW power | 41.58 dBV | 120 eV electron gain, Extra High Voltage Grid (500.0 kV @ 1,000A) → 500,000 V | 500.0 MW grid capacity | 113.98 dBV. Results update instantly as you type — adjust any value to compare scenarios.

The Formula

Multipliers to SI Base Unit Volts (V = J/C)

Worked Example

An audio and power engineer converting a 120 V AC utility signal calculates it corresponds to 41.58 dBV and 0.120 kV, supplying 1.20 kW of electrical power when drawing 10 Amps.

Understanding Your Result

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