What is a milligray (mGy)?

A milligray is one thousandth of a gray, measuring absorbed radiation dose as energy deposited per unit mass, equating to 0.001 joules per kilogram.

Why convert milligray to rad?

Conversion is helpful when interpreting legacy data, historical medical records, or regulations that still use the rad, a legacy absorbed dose unit.

Is the rad unit still widely used?

The rad is less common today, as it is a non-SI unit, but it remains in use for certain radiation protection reports and legacy datasets.

How to Convert from Milligray [mGy] to Rad [rd]?

Learn how to convert radiation absorbed dose units from milligray (mGy) to rad (rd) using a straightforward conversion tool. Understand definitions, uses, and practical applications.

Milligray [mGy]

Rad [rd]

Please check your input. It must be a valid numeric value.

Milligray [mGy] to Rad [rd] Conversion Table

Milligray [mGy]	Rad [rd]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Milligray [mGy] to Rad [rd] Conversion Table
Milligray [mGy]	Rad [rd]

Explore More Radiation Absorbed Dose Units Converter

What Is This Tool?

This converter allows you to change radiation absorbed dose measurements from milligray (mGy), an SI unit, to rad (rd), a legacy unit. It supports understanding and reporting radiation doses across different unit standards.

How to Use This Tool?

Enter the radiation dose value in milligray (mGy).
Select milligray as the input unit and rad as the output unit.
Click the convert button to obtain the equivalent dose in rad (rd).
Review the result and apply it where needed in your context.

Key Features

Converts radiation absorbed dose from milligray to rad.
Provides clear, easy-to-understand results based on defined conversion formulas.
Supports use cases in medical imaging, radiation protection, and legacy data interpretation.
Browser-based and accessible without software installation.
Displays examples for quick reference.

Examples

5 mGy converts to 0.5 rd
20 mGy converts to 2 rd

Common Use Cases

Reporting patient radiation doses from diagnostic imaging procedures.
Monitoring dose levels in interventional radiology and fluoroscopy.
Interpreting legacy medical records in radiotherapy using rad units.
Calibrating radiation detectors and occupational dose measurements.
Analyzing radiation effects in materials and electronics testing.

Tips & Best Practices

Use this converter when working between SI and legacy units in radiation dose reporting.
Always confirm which unit standard is required for your documentation or regulations.
Apply caution with rad unit results as it is a non-SI unit and less common in modern contexts.
Cross-reference converted doses with original data for accuracy.

Limitations

The rad is a legacy, non-SI unit and may be less compatible with current international standards.
Conversions may vary due to differences in rounding and reporting practices.
Not intended for calculations requiring precise scientific accuracy without verification.

Frequently Asked Questions

What is a milligray (mGy)?: A milligray is one thousandth of a gray, measuring absorbed radiation dose as energy deposited per unit mass, equating to 0.001 joules per kilogram.
Why convert milligray to rad?: Conversion is helpful when interpreting legacy data, historical medical records, or regulations that still use the rad, a legacy absorbed dose unit.
Is the rad unit still widely used?: The rad is less common today, as it is a non-SI unit, but it remains in use for certain radiation protection reports and legacy datasets.

Key Terminology

Milligray (mGy): One thousandth of a gray, an SI unit measuring absorbed radiation dose, equal to 0.001 joules per kilogram.
Rad (rd): A legacy unit measuring absorbed radiation dose, equal to 0.01 gray, commonly used in historical medical records and radiation protection contexts.
Gray (Gy): The SI unit for absorbed dose of ionizing radiation, representing energy deposited per unit mass.

Quick Knowledge Check

What does 1 milligray equal in rads?

1 rd

0.1 rd

10 rd

Which unit is a legacy unit for absorbed radiation dose?

Milligray (mGy)

Rad (rd)

Gray (Gy)

Which use case applies to converting mGy to rd?

Calibrating radiation detectors

Measuring temperature

Calculating speed

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