Use this free, accurate gray (gy) to rad (radiation absorbed dose) calculator to convert between Gray (Gy) (Gy) and Rad (Radiation Absorbed Dose) (rad). Includes live instant results, complete mathematical formulas, conversion tables, and step-by-step examples.
100 Rad
1 Gy is equal to 100 rad.
rad = Gy × 100
radiation Converters
To convert from Gray (Gy) to Rad (Radiation Absorbed Dose), multiply the value in Gray (Gy) by 100 (or use the formula: rad = Gy × 100).
Take your initial measurement in Gray (Gy) (Gy). For instance, let's convert 1 Gy.
Multiply by the standard conversion factor (100).
The final converted measurement equals 100 Rad (Radiation Absorbed Dose) (rad).
Compare standard reference values and common conversion benchmarks.
| Gray (Gy) (Gy) | Rad (Radiation Absorbed Dose) (rad) | Action |
|---|---|---|
| 1 Gy | 100 rad | |
| 2 Gy | 200 rad | |
| 3 Gy | 300 rad | |
| 5 Gy | 500 rad | |
| 10 Gy | 1000 rad | |
| 15 Gy | 1500 rad | |
| 20 Gy | 2000 rad | |
| 25 Gy | 2500 rad | |
| 50 Gy | 5000 rad | |
| 75 Gy | 7500 rad | |
| 100 Gy | 10000 rad | |
| 250 Gy | 25000 rad | |
| 500 Gy | 50000 rad | |
| 1000 Gy | 100000 rad |
Official standards, measurement systems, and real-world everyday applications.
The gray is the SI unit of absorbed ionizing radiation dose, defined as the absorption of 1 joule of radiation energy per kilogram of matter (1 J/kg).
Common Practical Uses
A legacy CGS unit of absorbed radiation dose equal to 0.01 Grays (100 ergs/g or 0.01 J/kg).
Common Practical Uses
Calculate from Rad (Radiation Absorbed Dose) (rad) back to Gray (Gy) (Gy).
Frequently used unit conversions in this category:
Explore other measurement and calculation tools:
There are 100 rads in 1 grays. Exactly 1 Gy is equal to 100 rad.
The conversion formula is: Rad (Radiation Absorbed Dose) = rad = Gy × 100. Applying this to 1 Gy gives: 1 × 100 = 100 rad.
To convert in reverse from rads to grays, multiply by the inverse factor: 1 rad = 0.01 Gy. Alternatively, divide your Rad (Radiation Absorbed Dose) amount by 100.
To calculate in your head, round the conversion multiplier (100) to the nearest easy whole or decimal number.
Gray (Gy) (Gy) belongs to the Metric (SI) system, commonly used in Cancer radiation oncology treatment dosages (e.g. 50-70 Gy), Industrial radiation sterilization. In comparison, Rad (Radiation Absorbed Dose) (rad) is part of the CGS / Legacy system, frequently applied in Historical nuclear tests, Older radiation equipment.
Key milestones include: 1 Gy = 100 rad, 5 Gy = 500 rad, 10 Gy = 1000 rad, 50 Gy = 5000 rad, and 100 Gy = 10000 rad.