Convert Femtobecquerels per kilogram to Kilobecquerels per kilogram
Convert Femtobecquerels per kilogram (fBq/kg) to Kilobecquerels per kilogram (kBq/kg) instantly and accurately.
Conversion Formula
kBq/kg = fBq/kg × 1.000000000e-18
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 Kilobecquerels per kilogram
The kilobecquerel per kilogram (kBq/kg) equals 10³ Bq/kg = 1 Bq/g. Standard unit for moderately contaminated environmental samples: post-Fukushima Japanese food monitoring reports kBq/kg for agricultural products; WHO and IAEA guidelines for radioactively contaminated soil use kBq/kg thresholds for agricultural intervention. 1 kBq/kg = 10³ Bq/kg = 1 Bq/g.
Quick Reference Table
| Femtobecquerels per kilogram (fBq/kg) | Kilobecquerels per kilogram (kBq/kg) |
|---|---|
| 1 fBq/kg | 1 × 10-18 kBq/kg |
| 2 fBq/kg | 2 × 10-18 kBq/kg |
| 5 fBq/kg | 5 × 10-18 kBq/kg |
| 10 fBq/kg | 1 × 10-17 kBq/kg |
| 25 fBq/kg | 2.5 × 10-17 kBq/kg |
| 50 fBq/kg | 5 × 10-17 kBq/kg |
| 100 fBq/kg | 1 × 10-16 kBq/kg |