Enrichment SWU calculator

Use this to calculate how much natural uranium and separative work you need to get a given amount of enriched uranium at a certain enrichment, and so on. Learn more about isotopes here.

Tails assay (wt %)

Feed assay (wt %)

Product Enrichment (wt %)

LEU

Compute product mass from given feed mass

Compute feed mass from given product mass

Feed mass (kg or tonne)

Product mass (kg or tonne)

Tails mass (kg or tonne)

SWU (kg-SWU or tonne-SWU)

Economics inputs:

Cost of Feed U₃O₈ ($/kgU)

Cost of Conversion to UF₆ ($/kgU)

Cost of SWU ($/kgSWU)

Fabrication cost ($/kgHM)

Average discharge burnup (MWd/kgHM)

Thermal efficiency (%)

Outputs

Reload total (¢/kWh)

Reload SWU (¢/kWh)

Reload feed (¢/kWh)

Conversion (¢/kWh)

Fabrication (¢/kWh)

Required mined material (gU/MWh)

High-level waste (gHM/MWh)

Abbrevs:

U - Uranium
HM - Heavy Metal (e.g. Uranium, Neptunium, Pu, Cm, etc.)
kWh - Kilowatt-hour electric
MWh - Megawatt-hour electric
MWd - Megawatt-day thermal
SWU - Separative Work Unit