Convert 1 Femtogray to Headache

1 fGy (Femtogray) is equal to 0.0000000000000005 Headache. To convert from Femtogray to Headache, multiply by 0.0000000000000005 or divide by 2,000,000,000,000,000.

• 1 fGy × 5.0E-16 = 5.0E-16 Headache
• 1 fGy ÷ 2.0E+15 = 5.0E-16 Headache