Dose converter
rads to grays (rad → Gy)
Result, grays0.01 Gy

Dose converter
To convert rads to grays, multiply the value by the factor: 1 rad = 0.01 Gy. In reverse: 1 Gy = 100 rad. Enter a number above for an instant result.
Gray and rad are absorbed-dose units — radiation energy per unit mass. The rad is a non-SI unit from older sources and dosimetry; the gray is the SI unit (1 J/kg). The relation: 1 Gy = 100 rad.
Use it to convert values from source certificates, reports and regulations. Need other units? The full dose converter has sievert, rem, gray, rad and roentgen.
Examples: 1 rad = 0.01 Gy; 10 rad = 0.1 Gy; 100 rad = 1 Gy; 1,000 rad = 10 Gy. Reverse: 1 Gy = 100 rad.