Mining

Mining calculators for ore reserves, mine ventilation, blast pattern design, haulage cost, mill recovery, stripping ratio, and rock mass rating.

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Calculate burden, spacing, hole depth, and powder factor for bench blasting operations.

Calculate rock bolt spacing, length, and shotcrete thickness from RMR and excavation dimensions.

Calculate per-ton haulage cost from distance, grade, truck specs, fuel, and labor rates.

Calculate metal recovery percentage from head grade, tailing grade, and throughput for processing plant evaluation.

Calculate CFM requirements from mine volume, diesel equipment HP, personnel count, and altitude.

Calculate royalty payments from production, metal price, and royalty rate for gross revenue, NSR, or net profits royalties.

Estimate proven and probable reserves from drill data, cutoff grade, and metal price for mine planning.

Calculate Bieniawski RMR classification from UCS, RQD, joint spacing, condition, and groundwater ratings.

Calculate waste-to-ore ratio and break-even stripping ratio for open pit mine economics.

Calculate tailings storage volume and years of capacity from dam geometry and tailings density.