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Both calculators run independently — change the inputs on either side to compare results.
Nuclear
Nuclear Criticality Calculator
Compute the effective neutron multiplication factor (k_eff) for a fissile system using the six-factor formula. Used by nuclear engineers to determine whether a reactor or fissile assembly is subcritical, critical, or supercritical.
Fill in the required fields to see your result.
Nuclear
Nuclear Fuel Burnup Calculator
Estimates nuclear fuel burnup in MWd/tonne based on specific power, operating time, thermal efficiency, and initial U-235 enrichment. Used by reactor engineers to track fuel depletion and plan refueling schedules.
Fill in the required fields to see your result.
Key differences
| Nuclear Criticality Calculator | Nuclear Fuel Burnup Calculator | |
|---|---|---|
| Category | Nuclear | Nuclear |
| Inputs required | 5 | 4 |
| Result | Multiplication Factor (k) | Burnup (MWd/tonne) |
| What it does | Compute the effective neutron multiplication factor (k_eff) for a fissile system using the six-factor formula. Used by nuclear engineers to determine whether a reactor or fissile assembly is subcritical, critical, or supercritical. | Estimates nuclear fuel burnup in MWd/tonne based on specific power, operating time, thermal efficiency, and initial U-235 enrichment. Used by reactor engineers to track fuel depletion and plan refueling schedules. |