Mining & Drilling Calculators
Translate drilling bit specifications across metrics, estimate blasted rock density tonnage parameters, calculate industrial explosive powder factor payloads, assess Rate of Penetration drilling performance, and chart geological ore grade dilution metrics.
Rock Tonnage & Volume
Determine solid rock and broken loose rock tonnage from volume based on rock type densities, useful for blasting and haulage design.
Rock Mass Profile
Engineering Core Report
Mine Ops & Blast TechSolid In-Situ Mass Tonnage
Blasted rock expands in volume because of the void space (interstitial air gap voids) created during fragmentation.
Explore Additional Utilities
One Rep Max (1RM) Calculator
Estimate your single repetition maximum lifting capacity (1RM) using major clinical lifting models (Epley, Brzycki, Lander).
Watch case size — mm diameter ↔ lug width
Analyze watch case diameter proportions, lug-to-lug spans, and find the corresponding standard strap lug-width sizes.
Soil Plasticity Index Calculator
Calculate Plasticity Index (PI) from Liquid Limit (LL) and Plastic Limit (PL), and interpret soil state using the Atterberg limits chart.
Growing medium volume — container size ↔ liters needed
Determine the volume of clay pebbles, coco coir, perlite, or soil needed in liters based on net pot size or grow container dimensions.
Water resistance — ATM ↔ bar ↔ meters depth rating
Convert water pressure tolerances across ATM, Bar, and depth meters. Understand safe real-world water sport activities.
Species-Specific Drug Dosing
Calculate animal weight-based dosages, target mg requirements, and liquid volumes across different species: dogs, cats, horses, cattle, and rabbits.
Brick Count Estimator
Calculate bricks, mortar volume, sand, and cement needed for masonry walls.
Karat purity (Karat ↔ Fineness ↔ % gold)
Convert gold purity levels between Karat values, parts-per-thousand millesimal fineness, and pure gold percentage.
Thread length — stitch count ↔ thread needed
Calculate thread length needed for saddle stitching based on stitch line length, leather thickness, and spacing density.
Prism Power Converter
Convert ophthalmic prism power between prism diopters (PD) and degrees of deviation, with light bending estimations.
Luminous Efficacy Calculator
Calculate and compare the luminous efficacy (lumens per watt) of various lighting technologies, with detailed efficiency and rating analysis.
Tolerance converter (ISO fit classes ↔ clearance)
Find upper and lower deviation limits for shaft and hole ISO 286 fit classes like H7, g6, f7, and compute clearances in microns or mm.
Ore Grade & Concentration Converter
Convert mineral grade concentrations between grams per ton (g/t), weight percentage (%), troy ounces per ton (oz/st), and ppm.
Cosmic Distance Converter
Convert huge distances across Light Years, Parsecs, Astronomical Units, and Kilometers.
Pipe Flow Rate Calculator
Calculate water flow rate, velocity, and capacity under gravity or pressurized nozzle flow.
Fold ratio — paper thickness ↔ maximum folds possible
Compute theoretical limit of fold iterations possible for paper size and thickness (Britney Gallivan equation).
Pipe nominal size ↔ actual OD — NPS vs DN standards
Cross-reference standard Nominal Pipe Sizes (NPS) with Diameter Nominal (DN), wall thickness, and outer diameter measurements.
Notarial Fee & Page Tier Calculator
Calculate official notary fees based on document page counts, copy requirements, travel, and custom tier structures.
Ammonia toxicity — total ammonia ↔ pH ↔ toxic fraction
Calculate the highly toxic un-ionized ammonia (NH3) fraction from Total Ammonia Nitrogen (TAN), pH, and water temperature.
Precipitation Unit Converter
Convert rainfall and precipitation depth between millimeters, inches, and liters per square meter.