Convert Femtobecquerels per kilogram to Microbecquerels per kilogram
Convert Femtobecquerels per kilogram (fBq/kg) to Microbecquerels per kilogram (µBq/kg) instantly and accurately.
Conversion Formula
µBq/kg = fBq/kg × 1.000000000e-9
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 Microbecquerels per kilogram
The microbecquerel per kilogram (µBq/kg) equals 10⁻⁶ Bq/kg. Very low-level anthropogenic contamination in drinking water (tritium, ⁹⁰Sr) and dietary exposures from global nuclear weapons test fallout in the 1950s-1960s are characterised at µBq/kg in body burden assessments. 1 µBq/kg = 10⁻⁶ Bq/kg = 10⁻³ mBq/kg.
Quick Reference Table
| Femtobecquerels per kilogram (fBq/kg) | Microbecquerels per kilogram (µBq/kg) |
|---|---|
| 1 fBq/kg | 1 × 10-9 µBq/kg |
| 2 fBq/kg | 2 × 10-9 µBq/kg |
| 5 fBq/kg | 5 × 10-9 µBq/kg |
| 10 fBq/kg | 1 × 10-8 µBq/kg |
| 25 fBq/kg | 2.5 × 10-8 µBq/kg |
| 50 fBq/kg | 5 × 10-8 µBq/kg |
| 100 fBq/kg | 1 × 10-7 µBq/kg |