Roentgen to gray of air kerma
Type a value in R to get it in Gy air instantly.
0.876Gy air
That's 33× as much exposure as a minute of fluoroscopy, while a lethal whole-body exposure is 4.5× more.
What it means
How much exposure is that?
Information only. Medical figures are typical entrance exposures and vary widely with equipment and patient. For dose to people, use gray and sievert.
The math
How to convert R to Gy air
To convert roentgen to gray of air kerma, multiply by 0.00876.
Example: 100 R × 0.00876 = 0.876 Gy air.
In the other direction, 1 Gy air = 114.155 R.
Every unit
Your exposure in every unit
Tables
R to Gy air conversion table
| R | Gy air |
|---|---|
| 1 R | 0.00876 Gy air |
| 5 R | 0.0438 Gy air |
| 10 R | 0.0876 Gy air |
| 15 R | 0.1314 Gy air |
| 25 R | 0.219 Gy air |
| 50 R | 0.438 Gy air |
| 100 R | 0.876 Gy air |
| 250 R | 2.19 Gy air |
| 500 R | 4.38 Gy air |
| 1,000 R | 8.76 Gy air |
| 5,000 R | 43.8 Gy air |
Gy air to R conversion table
| Gy air | R |
|---|---|
| 1 Gy air | 114.155 R |
| 5 Gy air | 570.776 R |
| 10 Gy air | 1,141.55 R |
| 15 Gy air | 1,712.33 R |
| 25 Gy air | 2,853.88 R |
| 50 Gy air | 5,707.76 R |
| 100 Gy air | 11,415.5 R |
| 250 Gy air | 28,538.8 R |
| 500 Gy air | 57,077.6 R |
| 1,000 Gy air | 114,155 R |
| 5,000 Gy air | 570,776 R |
Quick answers
Quick answers
- How many Gy air is 1 R?
- 1 R is 0.00876 Gy air.
- How many Gy air is 10 R?
- 10 R is 0.0876 Gy air.
- How many Gy air is 100 R?
- 100 R is 0.876 Gy air.
The units
About these units
Roentgen (R)
The classic unit of exposure, 2.58 × 10⁻⁴ C/kg.
Gray of air kerma (Gy air)
Energy handed to each kilogram of air.
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