| 25 | rad: | lowest dose to cause clinically observable blood changes |
| 200 | rad: | local dose for onset of erythema in humans |
| 400 | rad: | whole body LD50 for acute radiation syndrome in humans |
| 1 | krad: | whole body LD100 for acute radiation syndrome in humans[7] |
| 1 to 20 | krad: | typical radiation tolerance of ordinary microchips |
| 4 to 8 | krad: | typical radiotherapy dose, locally applied |
| 10 | krad: | fatal whole-body dose in 1964 Wood River Junction criticality accident[8] |
| 1 | Mrad: | typical tolerance of radiation-hardened microchips |