Convert 1 Joule per Milligram to Gigagray

1 J/mg (Joule per Milligram) is equal to 0.001 GGy (Gigagray). To convert from Joule per Milligram to Gigagray, multiply by 0.001 or divide by 999.9999999999999.

• 1 J/mg × 0.001 = 0.001 GGy
• 1 J/mg ÷ 1000 = 0.001 GGy