Materials Calculators
Essential tools for materials scientists and engineers. Explore property lookups and unit converters, design checks for metals, polymers, composites, ceramics and glass, plus fracture, fatigue, diffusion, and phase-diagram helpers. Standards-aware methods, clear inputs, and instant results to accelerate your workflow.
Properties & Conversions
Coefficient of Thermal Expansion Calculator
Estimate linear expansion from α, length, and ΔT.
Density Calculator
Compute density or mass/volume with convenient unit options.
Electrical Resistivity/Conductivity Converter
Convert between Ω·m, S/m and common engineering units.
Hardness Conversion Calculator
Convert Rockwell, Brinell, and Vickers values side-by-side.
Poisson’s Ratio Calculator
Relate lateral and axial strain for isotropic materials.
Shear Modulus Calculator
Link G, E, and ν, or compute from torsion tests.
Specific Heat Capacity Calculator
Find heat required for a given mass and temperature change.
Thermal Conductivity Converter
Switch between W/m·K, BTU/(hr·ft·°F), and more.
Young’s Modulus Converter
Convert E across Pa, MPa, GPa, and imperial units.
Metals & Alloys
Aluminum Alloy Properties Lookup
Quick reference for common Al series and tempers.
Carbon Equivalent (CE) Calculator
Assess weldability from chemistry (CEIIW, CET, CE).
Hardenability (Jominy) Estimator
Approximate hardness vs. distance for alloy steels.
Heat Treatment TTT Analyzer
Explore transformations and cooling paths on TTT charts.
Stainless Steel Equivalents
Map AISI, EN, JIS designations and typical properties.
Steel Grade Comparator (AISI/EN/JIS)
Cross-reference steel grades across standards quickly.
Polymers & Composites
Fiber Volume Fraction Calculator
Determine Vf from mass fractions and densities.
Fox Equation (Glass Transition) Calculator
Predict polymer mixture Tg from component data.
Halpin–Tsai Composite Modulus
Estimate Ex/Ey for short/continuous fiber systems.
Melt Flow Index Converter
Convert and normalize MFI/MFR conditions and units.
Rule of Mixtures (Composites)
Predict composite density and stiffness bounds.
Tsai–Wu Failure Criterion
Evaluate failure index under multiaxial lamina stresses.
Ceramics & Glass
Glass Properties Estimator
Estimate thermal/mechanical properties from composition.
Porosity & Bulk Density Calculator
Compute apparent porosity and bulk density from test data.
Sintering Shrinkage Calculator
Track linear and volumetric shrinkage vs. firing schedule.
Thermal Shock Resistance Calculator
Screen materials using strength, α, E, and k indices.
Failure & Fracture
Critical Flaw Size Calculator
Relate KIC, stress, and flaw size for brittle fracture.
Fracture Toughness Unit Converter
Convert MPa√m ↔ ksi√in and other units safely.
Goodman / Soderberg Fatigue Criteria
Check fatigue safety with mean and alternating stress.
Notch Stress Concentration (Kt) Estimator
Estimate Kt from geometry ratios and charts.
Paris Law Crack Growth Calculator
Integrate crack growth per cycle from ΔK and material constants.
Thermodynamics, Diffusion & Phase Diagrams
Ashby Chart Explorer
Compare materials on performance charts (E/ρ, σ/ρ, k, etc.).
Diffusion Coefficient Arrhenius Fit
Fit D = D₀e−Q/RT from experimental data.
Fick’s Second Law Diffusion
Error-function solutions for 1D diffusion problems.
Larson–Miller Parameter (Creep)
Relate time–temperature–stress for creep life estimates.
Lever Rule (Phase Fraction) Calculator
Compute phase fractions from binary phase diagrams.
Ternary Phase Diagram Interpolator
Read compositions and tie-lines on a Gibbs triangle.
Testing & Standards
ASTM Grain Size (G) Calculator
Convert intercept/planimetric counts to ASTM grain size number.
Charpy Impact → KIC Estimator
Screen-level KIC estimates from impact energy (with caveats).
Surface Roughness Converter (Ra, Rz)
Convert between common roughness parameters and units.
Tensile Test Data Reducer
Extract E, Rp0.2, UTS, and elongation from stress–strain data.