Electric Field Strength Converter

ConversionEdited by Hemant Kumar and Anjita Rai, founders · How we checkUpdated Free · No sign-up

Quick answer: Choose a starting unit and a target unit, then enter a value. Common conversions: 1 V/m = 0.001 kV/m; 1 V/m = 0.01 V/cm; 1 V/m = 0.00001 kV/cm. This converter covers 7 electric field strength units.

Use the Electric Field Strength Converter

Electric Field Strength formula and what each symbol means

target = value × (factor of starting unit ÷ factor of target unit), where each factor is the unit value in V/m.

Symbols used in the formula
SymbolMeaning
valueThe number you want to convert
factorThe unit’s size expressed in the base unit (V/m)

Electric Field Strength examples

V/m to kV/m

10 V/m = 0.01 kV/m.

V/m to V/cm

10 V/m = 0.1 V/cm.

V/m to kV/cm

10 V/m = 0.0001 kV/cm.

How to calculate Electric Field Strength step by step

  1. Choose the starting unit and the target unit.
  2. Enter your value.
  3. Read the converted value, plus the conversion factor in both directions.

Popular electric field strength conversions

How to read your Electric Field Strength result

Electric field strength is force per unit charge, or equivalently voltage per unit length. The SI unit is volt per metre. One V/cm is 100 V/m, and one kV/cm is 100,000 V/m.

UNITSYMBOLEQUALSVALUE OF 1 V/M
Volt per meterV/m1 V/m = 1 V/m1 V/m
Kilovolt per meterkV/m1 kV/m = 1,000 V/m0.001 kV/m
Millivolt per metermV/m1 mV/m = 0.001 V/m1,000 mV/m
Volt per centimeterV/cm1 V/cm = 100 V/m0.01 V/cm
Volt per millimeterV/mm1 V/mm = 1,000 V/m0.001 V/mm
Kilovolt per centimeterkV/cm1 kV/cm = 100,000 V/m0.00001 kV/cm
Volt per inchV/in1 V/in = 39.370079 V/m0.0254 V/in

Common mistakes when calculating Electric Field Strength

  • Mixing V/m and V/cm, which differ by 100.
  • Confusing field strength (V/m) with voltage (V).
  • Forgetting the prefix k (1,000).

Electric Field Strength FAQ

How many V/m is 1 V/cm?

1 V/cm is 100 V/m.

How many V/m is 1 kV/cm?

1 kV/cm is 100,000 V/m.

How do I get voltage from field strength?

For a uniform field, multiply the field strength by the distance.

What is the base unit for electric field strength?

This converter uses volt per meter (V/m) as the common base unit: every value is first converted to it and then to the target unit.

How do I convert between two electric field strength units?

Choose the starting and target units, enter the value and read the result. By hand: convert to the base unit with the table, then divide by the target unit factor.

How many kilovolts per meter are in 1 volt per meter?

1 V/m = 0.001 kV/m.

How many volts per centimeter are in 1 volt per meter?

1 V/m = 0.01 V/cm.

How many kilovolts per centimeter are in 1 volt per meter?

1 V/m = 0.00001 kV/cm.

Which electric field strength units does this converter support?

It covers 7 units: volt per meter (V/m), kilovolt per meter (kV/m), millivolt per meter (mV/m), volt per centimeter (V/cm), volt per millimeter (V/mm), kilovolt per centimeter (kV/cm), volt per inch (V/in).

How accurate is the electric field strength converter?

Results are calculated at full double precision and shown to about 8 significant figures. Round the answer to the precision of your original measurement; a result cannot be more accurate than the number you started with.

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Method, review and disclaimer

Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the International System of Units (SI)