Orebit /MineEconomics Free · no sign-up

MineEconomics

Simplified mining economic model — NPV, IRR, payback, cut-off grade optimisation, grade-tonnage curves, sensitivity and commodity price scenarios.

1. Mine data

Load a CSV of economic parameters, a year/tonnes/grade schedule, or use the embedded sample. All data stays in your browser.

Data loaded
2. Parameters

Cashflow

Grade–tonnage curve

NPV vs cut-off grade

Cut-off grade summary

Run the model to see the recommended cut-off grade.

Sensitivity tornado

Commodity price scenario table

ScenarioPriceNPVIRRPayback
📩 Want a PDF-style report of this run?

Enter your email and we’ll generate a shareable summary you can open in your mail client. No data leaves your browser.