Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Nuclear
Nuclear Reactor Criticality Calculator
Computes the neutron multiplication factor k-effective for a nuclear reactor using the six-factor formula. Used by nuclear engineers to determine whether a reactor core is critical, subcritical, or supercritical.
Fill in the required fields to see your result.
Nuclear
Nuclear Radiation Shielding Calculator
Calculates the required shielding thickness to reduce gamma radiation from a radioactive source to a safe dose rate at a given working distance. Use it when designing barriers around radiation sources in medical, industrial, or nuclear facilities.
Fill in the required fields to see your result.
Key differences
| Nuclear Reactor Criticality Calculator | Nuclear Radiation Shielding Calculator | |
|---|---|---|
| Category | Nuclear | Nuclear |
| Inputs required | 5 | 5 |
| Result | Multiplication Factor (k) | Required Shield Thickness (cm) |
| What it does | Computes the neutron multiplication factor k-effective for a nuclear reactor using the six-factor formula. Used by nuclear engineers to determine whether a reactor core is critical, subcritical, or supercritical. | Calculates the required shielding thickness to reduce gamma radiation from a radioactive source to a safe dose rate at a given working distance. Use it when designing barriers around radiation sources in medical, industrial, or nuclear facilities. |