Convert Femtobecquerels per kilogram to Nanobecquerels per kilogram

Convert Femtobecquerels per kilogram (fBq/kg) to Nanobecquerels per kilogram (nBq/kg) instantly and accurately.

Femtobecquerels per kilogram (fBq/kg)
Nanobecquerels per kilogram (nBq/kg)

Conversion Formula

nBq/kg = fBq/kg × 1.000000000e-6

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 Nanobecquerels per kilogram

The nanobecquerel per kilogram (nBq/kg) equals 10⁻⁹ Bq/kg. Marine radioactivity surveys measure transuranics (²³⁹Pu, ²⁴°Am) in deep-sea sediments at nBq/kg; CTBTO monitoring stations track fallout ¹³⁷Cs in aerosol filter samples approaching the nBq/kg level. 1 nBq/kg = 10⁻⁹ Bq/kg = 10⁻³ µBq/kg.

Quick Reference Table

Femtobecquerels per kilogram (fBq/kg)Nanobecquerels per kilogram (nBq/kg)
1 fBq/kg1 × 10-6 nBq/kg
2 fBq/kg2 × 10-6 nBq/kg
5 fBq/kg5 × 10-6 nBq/kg
10 fBq/kg1 × 10-5 nBq/kg
25 fBq/kg2.5 × 10-5 nBq/kg
50 fBq/kg5 × 10-5 nBq/kg
100 fBq/kg1 × 10-4 nBq/kg

→ Full Specific Activity Converter