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rad to Gy Converter

Convert rad (rad) to gray (Gy). Enter a value for an instant result, or use the examples and reverse conversion below.

520units ready to convert
RADIATION

Absorbed dose

Energy absorbed per unit mass.

rad
Gy

Try a decimal, 1e-9, 1/3, or 5 1/2.

Result0.01 Gy1 rad = 0.01 Gy
HOW IT IS CALCULATED

Convert through gray

Enter a rad value to calculate gray with full internal precision before display rounding.

Display PrecisionAuto · 6 significant digits

Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.

QUICK REFERENCE

All units in this quantity

UnitSymbolConverted value
micrograyfrom radµGy10000
milligrayfrom radmGy10
grayfrom radGy0.01
kilograyfrom radkGy0.00001
radfrom radrad1

SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.

rad to Gy Conversion Reference

Rad (rad) and gray (Gy) are units of absorbed dose. Use this page to convert in either direction.

Conversion Examples

Rad to Gray
Rad (rad)Gray (Gy)
1 rad0.01 Gy
5 rad0.05 Gy
10 rad0.1 Gy
100 rad1 Gy

Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.

Reverse Conversion

Gy to rad (gray to rad)

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