Convert 1 Teragray to Headache

1 TGy (Teragray) is equal to 500,000,000,000 Headache. To convert from Teragray to Headache, multiply by 500,000,000,000 or divide by 0.000000000002.

• 1 TGy × 500000000000 = 500000000000 Headache
• 1 TGy ÷ 2.0E-12 = 500000000000 Headache