格式转换
辐射剂量转换器
Gray, sievert, rad, rem — all in one place.
Radiation dose.
编辑注
Understanding · Gray, sievert, rad, rem — absorbed vs effective.
本深度章节目前仅有英文版本。上方的转换工具支持您的语言;长篇说明文章尚未翻译。
常见问题
Quick answers.
›What is the difference between Gray and Sievert?
Gray (Gy) measures the physical absorbed dose of radiation, while Sievert (Sv) measures the effective biological dose. For gamma and X-rays, 1 Gy is equal to 1 Sv, but for other types of radiation like neutrons or alpha particles, the Sievert value is higher.
›How do I convert rad to Gray?
The conversion is a factor of 100. One Gray is equal to 100 rads, and one rad is equal to 0.01 Grays or 10 milligrays (mGy).
›Are sub-units like millisieverts supported?
Yes. You can enter values in basic units or common prefixes like milli (m) and micro (μ). For context, a standard chest X-ray is roughly 0.1 millisieverts.
›What is a rem?
The rem (Roentgen equivalent man) is an older unit for equivalent dose used primarily in the United States. One Sievert is equal to 100 rem, and one rem is equal to 10 millisieverts.
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