Home Radioactive Decay Calculator Radioactive Decay Calculator Admin Radioactive Decay Calculator Radioactive Decay Calculator Sample Mass: Micrograms (µg) Milligrams (mg) Grams (g) Kilograms (kg) Metric tons (t) Ounces (oz) Pounds (lb) Molar Mass of Substance: Micrograms (µg) Milligrams (mg) Grams (g) Kilograms (kg) Metric tons (t) Ounces (oz) Pounds (lb) Half-Life: Seconds (sec) Minutes (min) Hours (hrs) Days (days) Weeks (wks) Months (mos) Years (yrs) Million years (myrs) Billion years (byrs) Activity: Millibecquerels (mBq) Becquerels (Bq) Kilobecquerels (kBq) Megabecquerels (MBq) Gigabecquerels (GBq) Terabecquerels (TBq) Petabecquerels (PBq) Picocuries (pCi) Nanocuries (nCi) Microcuries (μCi) Millicuries (mCi) Curies (Ci) Millirutherfords (mRd) Rutherfords (Rd) Kilorutherfords (kRd) Megarutherfords (MRd) Specific Activity/kg: Millibecquerels (mBq) Becquerels (Bq) Kilobecquerels (kBq) Megabecquerels (MBq) Gigabecquerels (GBq) Terabecquerels (TBq) Petabecquerels (PBq) Picocuries (pCi) Nanocuries (nCi) Microcuries (μCi) Millicuries (mCi) Curies (Ci) Millirutherfords (mRd) Rutherfords (Rd) Kilorutherfords (kRd) Megarutherfords (MRd) Results Copy Result Clear Newer Older