Convert Femtoamperes per square metre to Amperes per square foot
Convert Femtoamperes per square metre (fA/m²) to Amperes per square foot (A/ft²) instantly and accurately.
Conversion Formula
A/ft² = fA/m² × 9.290304000e-17
About Femtoamperes per square metre
The femtoampere per square metre (fA/m²) equals 10⁻¹⁵ A/m². Leakage current density through the dielectric of a high-quality capacitor at rated voltage is in the fA/m² range; dark current density in cooled CCD image sensors at -30 °C is around 1-10 fA/m²; radiation-induced leakage in neutron-irradiated MOS gate oxides is measured in fA/m². 1 fA/m² = 10⁻¹⁵ A/m² = 10⁻³ pA/m².
About Amperes per square foot
The ampere per square foot (A/ft²) equals 1 / (0.3048)² A/m² ≈ 10.764 A/m², used in US electroplating and grounding standards. ASTM B734 copper plating specifications cite current density in A/ft²; IEEE Std 80 specifies grounding grid design current density in A/ft² when ground fault current is distributed across the soil surface. 1 A/ft² ≈ 10.764 A/m².
Quick Reference Table
| Femtoamperes per square metre (fA/m²) | Amperes per square foot (A/ft²) |
|---|---|
| 1 fA/m² | 9.29 × 10-17 A/ft² |
| 2 fA/m² | 1.858 × 10-16 A/ft² |
| 5 fA/m² | 4.645 × 10-16 A/ft² |
| 10 fA/m² | 9.29 × 10-16 A/ft² |
| 25 fA/m² | 2.323 × 10-15 A/ft² |
| 50 fA/m² | 4.645 × 10-15 A/ft² |
| 100 fA/m² | 9.29 × 10-15 A/ft² |