What is the conversion factor from Gy to rad?

The conversion factor from gray (Gy) to rad is based on the relationship between these two units of radiation dose. One gray is defined as the absorption of one joule of radiation energy by one kilogram of matter, while one rad is defined as the absorption of 100 erg of energy per gram of matter.

Since 1 Gy is equivalent to 100 rad, this means that when you convert gray to rad, you multiply by 100. Therefore, if you have a dose measurement in Gy and wish to convert it to rad, you multiply the Gy value by 100 to obtain the equivalent rad value.

This understanding is crucial in fields like radiation therapy and radiology, where accurate dosimetry is essential for treatment planning and assessment of radiation safety.