Convert 1 Joule per Milligram to Femtogray

1 J/mg (Joule per Milligram) is equal to 1,000,000,000,000,000,000,000 fGy (Femtogray). To convert from Joule per Milligram to Femtogray, multiply by 1,000,000,000,000,000,100,000 or divide by 0.000000000000000000001.

• 1 J/mg × 1.0E+21 = 1.0E+21 fGy
• 1 J/mg ÷ 1.0E-21 = 1.0E+21 fGy