Convert 1 Headache to Femtogray

1 Headache is equal to 2,000,000,000,000,000 fGy (Femtogray). To convert from Headache to Femtogray, multiply by 1,999,999,999,999,999.8 or divide by 0.0000000000000005.

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