Convert Attocoulombs to Femtocoulombs
Convert Attocoulombs (aC) to Femtocoulombs (fC) instantly and accurately.
Conversion Formula
fC = aC × 0.001
About Attocoulombs
The attocoulomb (aC) equals 10⁻¹⁸ C, sitting between the elementary charge and the femtocoulomb. It arises in ultra-sensitive charge measurements: single-electron transistors, quantum capacitance probing of graphene and 2D materials, and scanning tunnelling microscopy where tip-sample charge exchange is tracked at this scale. 1 aC = 10⁻³ fC ≈ 6.24 e.
About Femtocoulombs
The femtocoulomb (fC) equals 10⁻¹⁵ C, used in radiation detection, MEMS sensors, and microelectronics charge characterisation. A single ionising particle traversing a thin silicon strip detector typically deposits 1-80 fC; noise floors of charge-sensitive amplifiers in nuclear instrumentation are specified in femtocoulombs. 1 fC = 10⁻³ pC = 10³ aC.
Quick Reference Table
| Attocoulombs (aC) | Femtocoulombs (fC) |
|---|---|
| 1 aC | 0.001 fC |
| 2 aC | 0.002 fC |
| 5 aC | 0.005 fC |
| 10 aC | 0.01 fC |
| 25 aC | 0.025 fC |
| 50 aC | 0.05 fC |
| 100 aC | 0.1 fC |