Convert 1 Joule per Gram to Gray

1 J/g (Joule per Gram) is equal to 1,000 Gy (Gray). To convert from Joule per Gram to Gray, multiply by 1,000 or divide by 0.001.

• 1 J/g × 1000 = 1000 Gy
• 1 J/g ÷ 0.001 = 1000 Gy