Units of Radiation

5 units of radiation in the database, across 2 measurement systems, each with its exact or best-known SI value.

UnitSymbolQuantityValue in SI
BecquerelBqRadioactivity1 Bq = 1 s⁻¹ (one decay per second)
GrayGyAbsorbed dose1 Gy = 1 J/kg = 1 m²·s⁻²
SievertSvEquivalent dose1 Sv = 1 J/kg = 1 m²·s⁻²
CurieCiRadioactivity3.7 × 10¹⁰ Bq (exact)
RoentgenRRadiation exposure2.58 × 10⁻⁴ C/kg (exact)