Convert Femtobecquerels to Microcuries
Convert Femtobecquerels (fBq) to Microcuries (µCi) instantly and accurately.
Conversion Formula
µCi = fBq × 2.702702703e-20
About Femtobecquerels
The femtobecquerel (fBq) equals 10⁻¹⁵ Bq, used in accelerator mass spectrometry (AMS) to quantify cosmogenic radionuclides (¹⁰Be, ³⁶Cl) in ice cores and geological samples. Ultra-low-background counting in deep underground laboratories reaches the fBq/kg level for solar neutrino detector purity assessment. 1 fBq = 10⁻¹⁵ Bq = 10⁻³ pBq.
About Microcuries
The microcurie (µCi) equals 3.7 × 10⁴ Bq = 37 kBq. Sealed sources for educational and bench-top laboratory use are licensed up to 1-10 µCi under US NRC 10 CFR 30.18; small-animal PET imaging doses of ¹⁸F in preclinical research are expressed in µCi. 1 µCi = 3.7 × 10⁴ Bq.
Quick Reference Table
| Femtobecquerels (fBq) | Microcuries (µCi) |
|---|---|
| 1 fBq | 2.703 × 10-20 µCi |
| 2 fBq | 5.405 × 10-20 µCi |
| 5 fBq | 1.351 × 10-19 µCi |
| 10 fBq | 2.703 × 10-19 µCi |
| 25 fBq | 6.757 × 10-19 µCi |
| 50 fBq | 1.351 × 10-18 µCi |
| 100 fBq | 2.703 × 10-18 µCi |