Convert Amperes per square inch to Milliamperes per square centimetre

Convert Amperes per square inch (A/in²) to Milliamperes per square centimetre (mA/cm²) instantly and accurately.

Amperes per square inch (A/in²)
Milliamperes per square centimetre (mA/cm²)

Conversion Formula

mA/cm² = A/in² × 155.00031

About Amperes per square inch

The ampere per square inch (A/in²) equals 1 / (0.0254)² A/m² ≈ 1550 A/m², used in US power semiconductor datasheets and electroforming specifications. JEDEC JESD22 and IPC standards specify maximum allowable current density in bond wires and copper interconnects in A/in²; electroforming of micro-components targets 0.5-5 A/in². 1 A/in² ≈ 1550 A/m² = 0.155 A/cm².

About Milliamperes per square centimetre

The milliampere per square centimetre (mA/cm²) equals 10 A/m², the dominant current density unit in electrochemistry and fuel-cell engineering. Proton-exchange membrane fuel cells produce peak power at 1000-2000 mA/cm²; hydrogen electrolysers run at 200-2000 mA/cm²; industrial chlor-alkali cells operate at 200-400 mA/cm². 1 mA/cm² = 10 A/m² = 10⁻³ A/cm².

Quick Reference Table

Amperes per square inch (A/in²)Milliamperes per square centimetre (mA/cm²)
1 A/in²155 mA/cm²
2 A/in²310.001 mA/cm²
5 A/in²775.002 mA/cm²
10 A/in²1550 mA/cm²
25 A/in²3875.01 mA/cm²
50 A/in²7750.02 mA/cm²
100 A/in²15500 mA/cm²

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