← Geology Tools

GEOLOGY TOOLS

Geo Calculators

Practical calculators and unit conversions for geology, exploration, mining, and field work.

UNIT CONVERSIONS

Common Geology Conversions

Quickly convert common units used in geological, exploration, and mining workflows.

LENGTH & DISTANCE

Length Converter

Convert between feet and meters for drilling, mapping, sampling, and field measurements.

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GRADE & ASSAY

Grade Converter

Convert common precious-metal assay units including ounces per ton, grams per tonne, and parts per million.

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Open the Geology Unit Conversion Reference

MINING & RESOURCE CALCULATIONS

Mining Calculators

Practical calculations for estimating tonnage, contained metal, drilling quantities, and other common mining and exploration values.

VOLUME & TONNAGE

Tonnage Calculator

Estimate rock or ore tonnage from volume and bulk density.

VOLUME
BULK DENSITY
ESTIMATED TONNAGE 270,000 tonnes 297,624 short tons
Open the Tonnage Calculator Reference
ROCK & MATERIAL PROPERTIES

Density Calculator

Calculate material density from measured mass and volume using common metric and imperial units.

Open Density Calculator
METALLURGY & RECOVERY

Metallurgical Recovery Calculator

Estimate recovered and unrecovered metal using an assumed metallurgical recovery percentage, with optional gross metal value calculations.

Enter an assumed recovery percentage between 0% and 100%.

ESTIMATED RECOVERED METAL 8,500 oz t Unrecovered metal: 1,500 oz t Recovery applied: 85%
Open Recovery Calculator Reference
MINING ECONOMICS

Gold Cutoff Grade Calculator

Estimate a simplified break-even gold grade using operating cost, assumed gold price, and metallurgical recovery.

Open Gold Cutoff Grade Calculator
MINING ENGINEERING

Strip Ratio Calculator

Calculate waste-to-ore stripping ratios using mass or volume, and evaluate total material quantities and waste percentages.

Open Strip Ratio Calculator
GRADE & CONTAINED METAL

Contained Metal Calculator

Estimate contained metal from ore tonnage and average grade.

ESTIMATED CONTAINED METAL 1,000 kg 32,150.75 troy oz
Open the Contained Metal Calculator Reference
DRILLING & EXPLORATION

Drillhole Geometry Calculator

Calculate vertical and horizontal displacement from drilled length and hole inclination.

ESTIMATED HOLE GEOMETRY 866.03 ft vertical displacement 500.00 ft horizontal displacement
Open the Drillhole Geometry Calculator Reference
GRADE & MINERALIZED INTERVALS

Grade × Thickness Calculator

Calculate grade × thickness for mineralized intervals using average grade and true thickness.

Open Calculator → DRILLING & GEOLOGY

True Thickness Calculator

Estimate true thickness from a drillhole intercept and the intersection angle between the hole and geological plane.

Open Calculator →