Convert 1 Gray to Gigagray

1 Gy (Gray) is equal to 0.000000001 GGy (Gigagray). To convert from Gray to Gigagray, multiply by 0.000000001 or divide by 999,999,999.9999999.

• 1 Gy × 1.0E-9 = 1.0E-9 GGy
• 1 Gy ÷ 1000000000 = 1.0E-9 GGy