Sievert facts for kids
Quick facts for kids Sievert |
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Display of background radiation in a hotel at Naraha, Japan, showing dose rate in microsieverts per hour, five years after the Fukushima disaster.
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| General information | |
| Unit system | SI derived unit |
| Unit of | Health effect of ionizing radiation (Equivalent dose) |
| Symbol | Sv |
| Named after | Rolf Maximilian Sievert |
| Conversions | |
| 1 Sv in ... | ... is equal to ... |
| SI base units | m2⋅s−2 |
| Energy absorbed by mass | J⋅kg−1 |
| CGS units (non-SI) | 100 rem |
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The Sievert, abbreviated Sv is the SI unit to measure the equivalent dose of ionizing radiation. It looks at how an organism reacts to a given dose. This is different from measuring the total absorbed dose, which is done in gray. It is named after Rolf Sievert, a Swedish physicist and doctor, who did research on how radiation affects organisms.
Images for kids
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External radiation dose quantities used in radiological protection
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Graphic showing relationship of "protection dose" quantities in SI units
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The radiation weighting factor for neutrons has been revised over time and remains controversial.
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USA Dept of Energy 2010 dose chart in sieverts for a variety of situations and applications.
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Comparison of radiation doses - includes the amount detected on the trip from Earth to Mars by the RAD on the MSL (2011–2013).
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Graphic showing relationships between radioactivity and detected ionizing radiation
See also
In Spanish: Sievert para niños
