Quantities of Licensed Material Requiring Labeling
The Quantities of Licensed Material Requiring Labeling table provides the quantities of licensed material requiring labeling for the most commonly used radionuclides.
Conversion Tables
Use the tables below for commonly used conversions.
Radiation Doses
| rem | sievert |
|---|---|
| 0.1 mrem | 1 µSv |
| 1 mrem | 10 µSv |
| 10 mrem | 100 µSv (0.1 mSv) |
| 100 mrem | 1 mSv |
| 500 mrem | 5 mSv |
| 1 rem | 10 mSv |
| 5 rem | 50 mSv |
| 10 rem | 100 mSv |
| 25 rem | 250 mSv |
| 50 rem | 500 mSv |
| 100 rem | 1 Sv |
Radiation Amount
| curie | becquerel |
|---|---|
| 1 pCi | 37 mBq |
| 27 pCi | 1 Bq |
| 1 nCi | 37 Bq |
| 27 nCi | 1 kBq |
| 1 µCi | 37 kBq |
| 27 µCi | 1 MBq |
| 1 mCi | 37 MBq |
| 27 mCi | 1 GBq |
| 1 Ci | 37 GBq |
| 27 Ci | 1 TBq |
| 1 kCi | 37 TBq |
| 27 kCi | 1 PBq |
| 1 MCi | 37 PBq |
SI Units Prefixes
| E | exa | 1018 |
| P | peta | 1015 |
| T | tera | 1012 |
| G | giga | 109 |
| M | mega | 106 |
| k | kilo | 103 |
| c | centi | 10-2 |
| m | mili | 10-3 |
| µ | micro | 10-6 |
| n | nano | 10-9 |
| p | pico | 10-12 |
Guide to SI Units
Temperature
| Celsius | Fahrenheit |
|---|---|
| 3000°C | 5432°F |
| 2500°C | 4532°F |
| 2000°C | 3632°F |
| 1500°C | 2732°F |
| 1000°C | 1832°F |
| 800°C | 1472°F |
| 600°C | 1112°F |
| 400°C | 752°F |
| 200°C | 392°F |
| 100°C | 212°F |
| 50°C | 122°F |
| 0°C | 32°F |
| -17.8°C | 0°F |
Pressure (Pascal)
1 Pa = 1.45 x 10-4 psi
1M Pa = 145 psi
Speed
1 m/s ~ 2 mph
Volume
1 m³ = 10 ³ℓ
1 cc (cm³) = 1 mℓ
1 cc ~ 1 gram water
3785 cc/gal 7.48 gal/ft³
Area
1 km² = 106 m²
1 m² ~ 11 ft²
Absorbed Energy
100 rad = 1 Gy (gray)
These tables were prepared By U.S. NRC AEOD/IRB 1/90
