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Electric Field Strength Converter

Convert between different units of electric field strength with precision

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Common Conversions
Quick access to frequently used conversions
Unit Information

SI Units

International System of Units (SI) measurements

V/m
si
Volt per Meter
Base unit of electric field strength in the SI system
V/cm
si
Volt per Centimeter
100 volts per meter (1 × 10² V/m)
V/mm
si
Volt per Millimeter
1000 volts per meter (1 × 10³ V/m)
mV/m
si
Millivolt per Meter
One thousandth of a volt per meter (1 × 10⁻³ V/m)
μV/m
si
Microvolt per Meter
One millionth of a volt per meter (1 × 10⁻⁶ V/m)
nV/m
si
Nanovolt per Meter
One billionth of a volt per meter (1 × 10⁻⁹ V/m)

Practical Units

Commonly used units in practical applications

kV/m
practical
Kilovolt per Meter
1000 volts per meter (1 × 10³ V/m)
MV/m
practical
Megavolt per Meter
1,000,000 volts per meter (1 × 10⁶ V/m)

CGS Units

Centimeter-gram-second system units

statV/cm
cgs
Statvolt per Centimeter
CGS unit of electric field strength (29,979 V/m)
abV/cm
cgs
Abvolt per Centimeter
CGS electromagnetic unit of electric field strength (1 × 10⁻⁶ V/m)

Engineering Units

Imperial and other engineering units

V/in
engineering
Volt per Inch
Electric field strength in imperial units (39.37 V/m)
V/ft
engineering
Volt per Foot
Electric field strength in imperial units (3.28 V/m)
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About Electric Field Strength

Electric field strength is a measure of the electric force per unit charge experienced by a test charge placed in an electric field. It's commonly used in electrical engineering, electrostatics, and physics to describe the intensity and direction of electric fields.

Common Applications

  • Electrostatics: Analyzing electric fields around charged objects
  • Capacitor Design: Understanding electric field distribution in capacitors
  • High-Voltage Engineering: Designing insulation and safety systems
  • Semiconductor Physics: Studying electric fields in devices
  • Atmospheric Physics: Understanding lightning and atmospheric electricity

Key Units

  • V/m (Volt per Meter): The SI base unit for electric field strength
  • V/cm (Volt per Centimeter): Common in practical applications
  • V/mm (Volt per Millimeter): Used for high-field applications
  • kV/m (Kilovolt per Meter): Used for high-voltage applications
  • statV/cm (Statvolt per Centimeter): CGS unit system

Conversion Examples

  • 1 V/m = 0.01 V/cm = 0.001 V/mm
  • 1 V/cm = 100 V/m = 0.1 V/mm
  • 1 V/mm = 1000 V/m = 10 V/cm
  • 1 kV/m = 1000 V/m = 10 V/cm
  • 1 statV/cm = 29,979 V/m = 299.79 V/cm

Practical Considerations

Electric field strength is crucial in many electrical applications. High electric field strengths can lead to electrical breakdown, corona discharge, and potential safety hazards. Understanding the relationship between different units helps engineers design better electrical systems and analyze field distributions.

Relationship to Other Electrical Quantities

Electric field strength is related to other electrical quantities through fundamental relationships:

  • Electric Potential: E = -∇V (electric field is the negative gradient of potential)
  • Force on Charge: F = qE (force equals charge times electric field)
  • Energy Density: u = ½ε₀E² (energy density in electric field)
  • Gauss's Law: ∇·E = ρ/ε₀ (divergence of electric field relates to charge density)

Safety Considerations

When working with high electric field strengths, it's important to consider:

  • Electrical Breakdown: High fields can cause insulation failure
  • Corona Discharge: Can occur at sharp points in high fields
  • Human Safety: Fields above 5 kV/m can cause health effects
  • Equipment Protection: Proper shielding and grounding required
  • Environmental Effects: High fields can affect nearby electronics