Gray Converter
Convert Gray to Centigray Second and more • 73 conversions
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Unit Explanations
GrayGy
Source UnitThe gray (Gy) is the SI derived unit of absorbed dose of ionizing radiation, defined as the absorption of one joule of radiation energy by one kilogram of matter. It quantifies the amount of energy deposited by radiation in a specified mass of material, which in biological contexts is often human tissue. The gray is crucial in assessing radiation exposure and its potential biological effects, and it serves as a fundamental unit in radiation safety and protection protocols.
Current Use
The gray is widely used in medical fields, particularly in radiation therapy for cancer treatment, where precise dosages are critical for effective treatment while minimizing damage to surrounding healthy tissue. It is also employed in radiological assessments, nuclear power, and safety protocols for radiation workers. Various international organizations, including the International Atomic Energy Agency (IAEA), utilize the gray for consistent communication regarding radiation exposure levels.
Fun Fact
The gray is equivalent to 100 rad, an older unit of absorbed dose.
Centigray SecondcGy·s
Target UnitThe centigray second (cGy·s) is a derived unit of measurement used in radiation dosimetry to quantify the absorbed dose of ionizing radiation over a specified time period. One centigray is equal to one hundredth of a gray (0.01 Gy), where a gray is defined as the absorption of one joule of radiation energy per kilogram of matter. Thus, a centigray second indicates the amount of radiation absorbed, providing critical information for radiation therapy and safety practices in various medical and industrial applications.
Current Use
Centigray seconds are predominantly used in the fields of radiation therapy and medical physics, where precise dosimetry is crucial for effective cancer treatment. It assists in calculating total dose delivery over time, ensuring that patients receive the correct amount of radiation while minimizing exposure to surrounding healthy tissue. Additionally, it finds applications in radiation safety protocols and risk assessments in various industries, including nuclear energy and research.
Fun Fact
The gray unit is named after Louis Harold Gray, a pioneer in radiation research.
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📐Conversion Formula
= × 1.00000How to Convert
To convert to , multiply the value by 1.00000. This conversion factor represents the ratio between these two units.
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Gray
radiation • SI Unit
Definition
The gray (Gy) is the SI derived unit of absorbed dose of ionizing radiation, defined as the absorption of one joule of radiation energy by one kilogram of matter. It quantifies the amount of energy deposited by radiation in a specified mass of material, which in biological contexts is often human tissue. The gray is crucial in assessing radiation exposure and its potential biological effects, and it serves as a fundamental unit in radiation safety and protection protocols.
History & Origin
The gray was introduced in 1975 by the International System of Units (SI) as the unit of absorbed dose to provide a standardized measurement for radiation exposure. Its creation was a response to the need for a unified system that could facilitate consistency in scientific research and practical applications in radiology, nuclear medicine, and radiation therapy.
Etymology: The unit is named after the British physicist Louis Harold Gray, who made significant contributions to the field of radiation therapy and the study of radiation's effects on biological tissue.
Current Use
The gray is widely used in medical fields, particularly in radiation therapy for cancer treatment, where precise dosages are critical for effective treatment while minimizing damage to surrounding healthy tissue. It is also employed in radiological assessments, nuclear power, and safety protocols for radiation workers. Various international organizations, including the International Atomic Energy Agency (IAEA), utilize the gray for consistent communication regarding radiation exposure levels.
💡 Fun Facts
- •The gray is equivalent to 100 rad, an older unit of absorbed dose.
- •The gray is used in radiation therapy to ensure that the cancerous tissue receives a lethal dose while surrounding healthy tissue receives a much lower dose.
- •Louis Harold Gray was the first scientist to quantify the effects of radiation on living tissue, leading to advancements in cancer treatment.
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Centigray Second
radiation • Non-SI
Definition
The centigray second (cGy·s) is a derived unit of measurement used in radiation dosimetry to quantify the absorbed dose of ionizing radiation over a specified time period. One centigray is equal to one hundredth of a gray (0.01 Gy), where a gray is defined as the absorption of one joule of radiation energy per kilogram of matter. Thus, a centigray second indicates the amount of radiation absorbed, providing critical information for radiation therapy and safety practices in various medical and industrial applications.
History & Origin
The centigray second's inception is tied to the broader development of radiation measurement systems in the mid-20th century, particularly to enhance the precision in calculating radiation doses for medical treatments. The gray was adopted as the SI unit of absorbed dose in 1975, which later led to the derivation of the centigray to facilitate easier calculations in clinical settings. As radiation therapy advanced, the need for precise dosimetry became critical, leading to the formal recognition of the centigray second in medical physics.
Etymology: The term 'centigray' derives from the prefix 'centi-', meaning one hundredth, combined with 'gray', named after the British scientist Louis Harold Gray, who made significant contributions to radiation research.
Current Use
Centigray seconds are predominantly used in the fields of radiation therapy and medical physics, where precise dosimetry is crucial for effective cancer treatment. It assists in calculating total dose delivery over time, ensuring that patients receive the correct amount of radiation while minimizing exposure to surrounding healthy tissue. Additionally, it finds applications in radiation safety protocols and risk assessments in various industries, including nuclear energy and research.
💡 Fun Facts
- •The gray unit is named after Louis Harold Gray, a pioneer in radiation research.
- •Centigray seconds provide a more manageable figure for dosimetry in clinical practices compared to the gray.
- •Radiation therapy aims to maximally damage cancer cells while minimizing harm to surrounding healthy tissues.
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Frequently Asked Questions
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