Convert 1 Milligray to Sievert

1 mGy (Milligray) is equal to 0.001 Sv (Sievert). To convert from Milligray to Sievert, multiply by 0.001 or divide by 1,000.

• 1 mGy × 0.001 = 0.001 Sv
• 1 mGy ÷ 1000 = 0.001 Sv