Convert Femtocoulombs to Attocoulombs
Convert Femtocoulombs (fC) to Attocoulombs (aC) instantly and accurately.
Conversion Formula
aC = fC × 1000
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.
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.
Quick Reference Table
| Femtocoulombs (fC) | Attocoulombs (aC) |
|---|---|
| 1 fC | 1000 aC |
| 2 fC | 2000 aC |
| 5 fC | 5000 aC |
| 10 fC | 10000 aC |
| 25 fC | 25000 aC |
| 50 fC | 50000 aC |
| 100 fC | 100000 aC |