Convert 1 Megagray to Headache

1 MGy (Megagray) is equal to 500,000 Headache. To convert from Megagray to Headache, multiply by 500,000 or divide by 0.000002.

• 1 MGy × 500000 = 500000 Headache
• 1 MGy ÷ 2.0E-6 = 500000 Headache