Convert Millirad to Kilorad
Enter the number of millirads that you want to convert to kilorads.
How to Convert Millirads to Kilorads
The millirad and kilorad are both units of radiation dose. By definition, 1 kilorad equals exactly 1000000 millirads. This means to convert millirads to kilorads, you divide by 1000000.
Formula
Step-by-Step Example
Convert 5 mrad to kilorads:
We need to convert millirads to kilorads
Since 1 krad = 1000000 mrad, divide by 1000000
5 ÷ 1000000 = 5e-6
5 mrad = 5e-6 krad
Millirad to Kilorad Conversion Table
Quick reference table for common millirad to kilorad conversions. Click any value for detailed calculation.
| Millirads (mrad) | Kilorads (krad) |
|---|---|
| 0.1 mrad | 1e-7 krad |
| 0.5 mrad | 5e-7 krad |
| 1 mrad | 1e-6 krad |
| 2 mrad | 2e-6 krad |
| 5 mrad | 5e-6 krad |
| 10 mrad | 1e-5 krad |
| 25 mrad | 2.5e-5 krad |
| 50 mrad | 5e-5 krad |
| 100 mrad | 0.0001 krad |
About These Units
Millirad (mrad)
A millirad (mrad) equals 0.001 rad or 10 μGy. Used in medical dosimetry: dental bitewing 0.5-2 mrad, chest X-ray 10-20 mrad. Provides convenient scale for diagnostic imaging dose specifications.
Kilorad (krad)
A kilorad (krad) equals 1,000 rads or 10 grays. Used in electronics radiation hardening: commercial chips fail at 1-10 krad, radiation-hardened: 100+ krad, space-grade: 300+ krad total ionizing dose (TID) tolerance.
Frequently Asked Questions
How do I convert millirads to kilorads?
To convert millirads to kilorads, divide the value by 1000000. For example, 10 mrad = 1e-5 krad.
How many kilorads are in 1 millirad?
1 millirad equals 1e-6 kilorads.
What is the formula for millirads to kilorads?
The formula is: krad = mrad ÷ 1000000.