Convert 1 Gray to Headache

1 Gy (Gray) is equal to 0.5 Headache. To convert from Gray to Headache, multiply by 0.5 or divide by 2.

• 1 Gy × 0.5 = 0.5 Headache
• 1 Gy ÷ 2 = 0.5 Headache