Millirad to Rad Conversion

Convert between Millirad and Rad quickly and accurately.

mrd
rd

How to Convert Millirad to Rad

Conversion Formula

1 mrd = 0.001 rd
1 rd = 1000 mrd

Example

Convert 15 mrd to rd:

15 mrd = 15 × 0.001 rd = 0.015 rd

Unit Information

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

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

Rad

rd

Definition

A unit of absorbed radiation dose equal to 0.01 gray, representing the amount of energy deposited in matter by ionizing radiation.

History/Origin

Acronym for "radiation absorbed dose", introduced in the 1950s for measuring radiation absorbed dose in biological tissue.

Current Use

Widely used in radiation therapy, medical physics, and radiation protection, particularly in the United States.

Multiplier

1

Offset

0

Millirad to Rad Conversion Table

Millirad [mrd] Rad [rd]
1 mrd 0.001 rd
10 mrd 0.01 rd
25 mrd 0.025 rd
50 mrd 0.05 rd
100 mrd 0.1 rd
0 mrd 0E+0 rd
-10 mrd -0.01 rd
-40 mrd -0.04 rd