Convert Femtobecquerels per kilogram to Curies per kilogram
Convert Femtobecquerels per kilogram (fBq/kg) to Curies per kilogram (Ci/kg) instantly and accurately.
Conversion Formula
Ci/kg = fBq/kg × 2.702702703e-26
About Femtobecquerels per kilogram
The femtobecquerel per kilogram (fBq/kg) equals 10⁻¹⁵ Bq/kg. Used in accelerator mass spectrometry (AMS) to quantify cosmogenic radionuclide concentrations (¹⁰Be, ³⁶Cl) in ice cores, sediments, and geological minerals where activities per unit mass are at the femto-level. Ultra-clean radiochemistry purity assessments for solar neutrino detectors also reach fBq/kg sensitivities. 1 fBq/kg = 10⁻¹⁵ Bq/kg.
About Curies per kilogram
The curie per kilogram (Ci/kg) equals 3.7 × 10¹⁰ Bq/kg = 37 GBq/kg. High specific activity sealed sources: ¹¹¹In and ¹³³Xe produced in accelerators are characterised in Ci/kg; ⁴²K formed by neutron activation in high-potassium food samples in research irradiators reaches Ci/kg values. 1 Ci/kg = 3.7 × 10¹⁰ Bq/kg.
Quick Reference Table
| Femtobecquerels per kilogram (fBq/kg) | Curies per kilogram (Ci/kg) |
|---|---|
| 1 fBq/kg | 2.703 × 10-26 Ci/kg |
| 2 fBq/kg | 5.405 × 10-26 Ci/kg |
| 5 fBq/kg | 1.351 × 10-25 Ci/kg |
| 10 fBq/kg | 2.703 × 10-25 Ci/kg |
| 25 fBq/kg | 6.757 × 10-25 Ci/kg |
| 50 fBq/kg | 1.351 × 10-24 Ci/kg |
| 100 fBq/kg | 2.703 × 10-24 Ci/kg |