What Is This Tool?
This converter transforms radiation absorbed dose measurements from millirad, a traditional unit used for low-level radiation doses, to centigray, a modern SI unit commonly applied in medical treatments and dosimetry.
How to Use This Tool?
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Input the radiation dose value in millirad (mrd)
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Select millirad as the source unit and centigray as the target unit
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Execute the conversion to obtain the equivalent centigray measurement
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Use the output for medical, safety, or environmental radiation dose applications
Key Features
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Converts millirad (mrd) to centigray (cGy) using a defined conversion rate
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Browser-based and straightforward to use
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Supports users in translating legacy radiation doses into contemporary units
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Helps standardize radiation dose documentation in clinical and environmental contexts
Examples
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100 millirad (mrd) equals 0.1 centigray (cGy)
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500 millirad (mrd) equals 0.5 centigray (cGy)
Common Use Cases
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Reporting small diagnostic X-ray doses with legacy units translated into SI units
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Monitoring environmental and occupational low-level radiation exposures
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Calibrating survey meters and dosimeters that reference rad-based units
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Planning and documenting radiation therapy doses using standardized units
Tips & Best Practices
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Use conversions to compare historical and current radiation dose data accurately
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Apply centigray units for documenting therapeutic radiation doses
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Recognize the appropriate dose range for each unit—millirad for low doses, centigray for higher therapeutic levels
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Verify calibration standards when interpreting converted values to avoid discrepancies
Limitations
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Millirad is a legacy unit less common in modern practice, possibly causing varying calibration references
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Centigray measures higher dose ranges, while millirad suits low or diagnostic doses
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Conversions may involve rounding differences due to historical measurement standards
Frequently Asked Questions
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What does millirad measure?
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Millirad is a legacy CGS unit that quantifies absorbed radiation dose as one thousandth of a rad, representing low-level energy deposited by ionizing radiation.
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Why convert millirad to centigray?
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Converting millirad to centigray helps translate historical or low-dose radiation measurements into a modern SI unit commonly used in medical treatment and radiation safety.
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What is the conversion rate from millirad to centigray?
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1 millirad equals 0.001 centigray.
Key Terminology
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Millirad (mrd)
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A unit equal to one thousandth of a rad, used historically to measure low-level absorbed radiation doses.
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Centigray (cGy)
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A unit representing one hundredth of a gray, commonly used to quantify absorbed radiation doses in medical therapy.
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Absorbed Dose
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The amount of energy deposited by ionizing radiation per unit mass of material.