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.
Drilling Rate (ROP)
Translate Rate of Penetration (ROP) and calculate specific drilling time, drilling speed efficiency, and shift performance.
Penetration Parameters
Engineering Core Report
Mine Ops & Blast TechMechanical efficiency models factor in delays, bit changes, tramming, and rod-handling idle times.
Explore Additional Utilities
Varroa mite load — alcohol wash count ↔ treatment threshold
Input alcohol wash or powdered sugar shake counts to analyze parasite load percentage and check treatment recommendations.
Specific heat capacity — J/kg·K ↔ BTU/lb·°F
Convert between specific heat capacity units including J/kg·K, kJ/kg·°C, BTU/lb·°F, and cal/g·°C.
Concrete strength — MPa ↔ psi ↔ N/mm²
Convert concrete compressive strength between MPa, psi, and N/mm². View typical application guidelines and concrete classes.
Tire size decoder — 205/55R16 ↔ diameter ↔ width ↔ aspect
Decode metric tire specs to calculate sidewall height, total diameter, circumference, and compare speedometer error against a secondary size.
Cheese Yield & Rind Calculator
Estimate the edible cheese yield and rind weight waste for whole wheels and wedges of various cheese types.
Displacement tonnage ↔ cubic meters — ship buoyancy
Convert ship displacement tonnage to submerged volume (m³) and buoyancy force. Choose between freshwater and saltwater standards.
Compression ratio — bore + stroke + head volume
Calculate static compression ratios from cylinder bore, stroke, head chamber volume, gasket thickness, deck clearance, and dome/dish specs.
Propeller pitch ↔ boat speed — theoretical boat speed
Calculate theoretical boat speed and actual speed based on propeller pitch, engine RPM, gear ratio, and hull slip percentages.
Tidal Rule of Twelfths Calculator
Estimate hourly tide heights and flow volumes between high and low tide periods using the standard maritime rule.
Render thickness ↔ coverage per bag
Determine dry render mix weight and bag counts for a target wall area and application thickness. Assess single bag yields.
Premium Rate ↔ Sum Insured
Calculate basic insurance premium rates, loading factors, and sum insured relationships (percentage, permille, and absolute values).
Weld throat thickness ↔ leg length — fillet weld geometry
Convert between throat thickness and leg length for fillet welds. Estimate joint volume, weld weight, and shear load capacity.
Script Character ↔ Word Counter
Analyze characters, spaces, punctuation, words, and word density. Convert text density predictions between CJK and Latin scripts.
Rock density ↔ tonnage — volume to weight for blasting
Determine solid rock and broken loose rock tonnage from volume based on rock type densities, useful for blasting and haulage design.
Engine power ↔ hull speed — planing vs displacement
Estimate maximum displacement hull speeds (LWL formula) or calculate planing hull speeds using Crouch's classic marine formula.
Electron volts ↔ joules ↔ nanometers — photon energy
Convert between photon energy (eV, Joules) and physical wavelengths (nm, pm) or frequency (THz).
Carton CBM ↔ Container Capacity
Convert carton dimensions to Cubic Meters (CBM) and calculate carton capacity for 20ft and 40ft shipping containers.
Steel grade equivalents — ASTM ↔ EN ↔ JIS standards
Cross-reference standard steel grades across ASTM/AISI, EN/DIN, and JIS systems. Includes chemical composition and key mechanical limits.
Period Tracker & Predictor
Track menstrual cycles, predict future period start dates, cycle phases, and typical symptom occurrences.
Electricity Billing (kWh ↔ MJ)
Analyze electric billing kilowatt-hours and physical energy auditing megajoule metrics.