Radioactive Activity Calculator
Calculate radioactive activity from decay parameters
Unit Conversions
- 1 Ci (Curie) = 3.7 × 10¹⁰ Bq
- 1 mCi = 37 MBq
- 1 µCi = 37 kBq
Formulas Used
Activity: A = λN = (ln2/t_half) × N
Specific Activity: S = λ × N_A / M
Where: λ = decay constant, N = number of atoms, N_A = Avogadro's number