Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
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.
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.
Key differences
| Nuclear Fuel Burnup Calculator | Nuclear Criticality Calculator | |
|---|---|---|
| Category | Nuclear | Nuclear |
| Inputs required | 4 | 5 |
| Result | Burnup (MWd/tonne) | Multiplication Factor (k) |
| What it does | 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. | 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. |