How to use this converter
Choose your starting and destination units, then enter a value. Results update as you type. You can swap the direction and choose the displayed precision.
Example: Grays to Milligrays
value × 1000 = result
Here the starting unit is Grays (Gy) and the result is in Milligrays (mGy). The calculator uses the catalog’s full factors before rounding the displayed result.
Worked examples
- 1 Gy ≈ 1,000 mGy
- 10 Gy ≈ 10,000 mGy
- 100 Gy ≈ 100,000 mGy
Available radiation-absorbed dose options
Grays (Gy) · Milligrays (mGy) · Micrograys (µGy) · Rads (rad) · Joules per kilogram (J/kg) · Ergs per gram (erg/g)
Unit conventions
Absorbed dose is energy per mass. Gray and sievert describe different quantities; no automatic cross-conversion is applied.
Frequently asked questions
Why can displayed results differ slightly?
Numeric results are rounded for display. Increase the precision setting to see more digits. Different unit conventions can also produce different results; check the complete unit label.
Can I convert in the opposite direction?
Use the swap control to reverse the selected units or bases.