Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Nuclear
Radiation Dose Calculator
Estimate the gamma radiation dose rate received by a worker near a radioactive source, accounting for distance, exposure time, isotope type, and shielding. Used in health physics and radiation safety planning.
Fill in the required fields to see your result.
Nuclear
Critical Mass Calculator
Estimate the mass of a uniform-density fissile sphere given its known critical radius and material density. Useful for nuclear engineering coursework, criticality-safety analysis, and reactor physics demonstrations.
Fill in the required fields to see your result.
Key differences
| Radiation Dose Calculator | Critical Mass Calculator | |
|---|---|---|
| Category | Nuclear | Nuclear |
| Inputs required | 5 | 2 |
| Result | Total Dose (mrem) | Critical Mass (g) |
| What it does | Estimate the gamma radiation dose rate received by a worker near a radioactive source, accounting for distance, exposure time, isotope type, and shielding. Used in health physics and radiation safety planning. | Estimate the mass of a uniform-density fissile sphere given its known critical radius and material density. Useful for nuclear engineering coursework, criticality-safety analysis, and reactor physics demonstrations. |