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Convert Gray (Gy) to Centigray (cGy) - Radiation Dose Unit Converter
Easily convert radiation absorbed dose from gray (Gy) to centigray (cGy) with this online unit converter. Perfect for radiotherapy dosing, medical physics, and radiation protection applications.
Please check your input. It must be a valid numeric value.
Gray [Gy] to Centigray [cGy] Conversion Table
| Gray [Gy] | Centigray [cGy] |
|---|
Custom Unit Conversion Table Generator – Instant Printable Conversion Tables
Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
| Gray [Gy] | Centigray [cGy] |
|---|
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What Is This Tool?
This converter allows users to transform measurements of radiation absorbed dose from gray (Gy) to centigray (cGy). It helps in converting the physical dose delivered or measured in grays into centigrays, which are commonly used to specify finer dose fractions in clinical radiotherapy and dosimetry.
How to Use This Tool?
- Enter the value of radiation dose in gray (Gy) in the input field
- Select gray as the input unit and centigray as the output unit if applicable
- Click the convert button to get the equivalent dose in centigray (cGy)
- Use the converted result for documentation, treatment planning, or calibration purposes
Key Features
- Converts radiation absorbed dose units from gray (Gy) to centigray (cGy)
- Based on standardized conversion where 1 Gy equals 100 cGy
- Supports applications in radiotherapy dose prescription and dosimeter calibration
- Browser-based and easy to use for quick and accurate unit transformations
Examples
- 0.5 Gy converts to 50 cGy
- 3 Gy converts to 300 cGy
Common Use Cases
- Prescribing and reporting therapeutic radiation doses in external beam radiotherapy and brachytherapy
- Calibrating radiation detectors and dosimeters in medical physics settings
- Planning and documenting nuclear medicine treatment doses
- Supporting radiation protection assessments and radiobiological experiments
Tips & Best Practices
- Use centigray for more detailed dose fraction documentation in clinical radiotherapy
- Ensure measurements are calibrated and accurate to maintain conversion reliability
- Remember to convert to sieverts if biological effect weighting is needed
- Apply this tool to assist in radiation treatment planning and dosimeter checks
Limitations
- Does not account for biological effect weighting; sievert conversion may be required separately
- Conversion relies on uniform absorbed dose measurement; detector calibration impacts accuracy
- Centigray is mainly a clinical unit, while gray is more common in research and regulatory usage
Frequently Asked Questions
- What is the relationship between gray and centigray?
- One gray (Gy) equals 100 centigray (cGy), where both units measure the absorbed dose of ionizing radiation.
- Why convert from gray to centigray?
- Converting to centigray provides a smaller unit scale preferred for detailed dose documentation and fractionation in radiotherapy.
- Can this conversion assess biological radiation effects?
- No, this conversion measures physical absorbed dose only. Biological effects require conversion to sieverts using weighting factors.
Key Terminology
- Gray (Gy)
- The SI unit of absorbed radiation dose equal to one joule of ionizing radiation energy deposited per kilogram of matter (1 Gy = 1 J/kg).
- Centigray (cGy)
- A unit of absorbed radiation dose equal to one hundredth of a gray, used primarily for detailed clinical dose documentation.
- Absorbed Dose
- The amount of ionizing radiation energy deposited per unit mass of material or tissue.