Surface Charge Density Converter

Convert between various units of surface charge density (e.g., C/m², µC/cm², e/in²).

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Understanding Surface Charge Density

Surface charge density (σ) is a measure of electric charge per unit area of a surface. It describes how much charge is accumulated over a given area.

The SI unit for surface charge density is Coulombs per square meter (C/m²).

Common Surface Charge Density Units
Unit NameSymbolRelation to C/m² (Approx.)
Coulomb/square meterC/m²Base unit (1 C/m²)
Coulomb/square centimeterC/cm²10,000 C/m²
Microcoulomb/square meterµC/m²1 × 10-6 C/m²
Elementary charge/square metere/m²1.602 × 10-19 C/m²
Abcoulomb/square meterabC/m²10 C/m²