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→About Microsieverts
'''Nanosieverts''' ('''nSv''') are a [[unit]] of [[Radiation Dose|radiation dose]] 1,000,000,000 times smaller than the [[SI Unit]]; the [[Sievert]].
===About Microsieverts===
: '''Nanosieverts''' are shortened to '''nSv''' with a lower case n and , an upper case '''Sv'''S and a lower case v.
: [[Nano]] means one billionth so there are 1,000,000,000 [[nanosievert]]s in a [[Sievert]].