Gray to Millirad Conversion

Convert between Gray and Millirad quickly and accurately.

Gy
mrd

How to Convert Gray to Millirad

Conversion Formula

1 Gy = 100000 mrd
1 mrd = 0 Gy

Example

Convert 15 Gy to mrd:

15 Gy = 15 × 100000 mrd = 1500000 mrd

Unit Information

Learn about the radiation absorbed dose units you're converting between

Gray

Gy

Definition

The SI base unit of absorbed radiation dose equal to 100 rad, representing one joule of energy absorbed per kilogram of matter.

History/Origin

Named after Louis Harold Gray (1905-1965), the British physicist who made significant contributions to radiation dosimetry.

Current Use

Widely used in radiation therapy, medical physics, and radiation protection worldwide.

Multiplier

100

Offset

0

Millirad

mrd

Definition

A unit of absorbed radiation dose equal to 0.001 rad, used for small absorbed dose measurements.

History/Origin

Derived from the rad unit with the milli- prefix, used for small absorbed dose measurements.

Current Use

Used in radiation protection, environmental monitoring, and low-level radiation measurements.

Multiplier

0.001

Offset

0

Gray to Millirad Conversion Table

Gray [Gy] Millirad [mrd]
1 Gy 100000 mrd
10 Gy 1000000 mrd
25 Gy 2500000 mrd
50 Gy 5000000 mrd
100 Gy 10000000 mrd
0 Gy 0E+0 mrd
-10 Gy -1000000 mrd
-40 Gy -4000000 mrd