Absorbed Dose Converter
Convert between all absorbed radiation dose units instantly. Select your units from the dropdowns below and enter a value to see the conversion in real-time.
SI unit: gray (Gy)
Conversion Formula
Select units to see the conversion formula.
About Absorbed Dose Units
Select units above to see detailed information about them.
Common Absorbed Dose Conversions
- 1 Gy = 100 rad = 1 J/kg (exact, SI definition)
- 1 rad = 0.01 Gy = 1 cGy (exact; note: 1 rad = 1 cGy numerically - used in radiotherapy)
- 1 erg/g = 10-4 Gy = 0.1 mGy (exact; CGS absorbed dose unit)
- 1 krad = 10 Gy | 1 kGy = 100 krad | 1 Mrad = 10 kGy
- Chest X-ray: ~0.1 mGy skin dose | Abdominal CT: ~10-30 mGy
- Radiotherapy tumour dose: 40-80 Gy (fractionated) | Food sterilisation: 25 kGy