Materials Science Calculators

Arrhenius Diffusion Coefficient Calculator

Calculate solid-state diffusion coefficient using the Arrhenius equation. Enter pre-exponential factor, activation energy, and temperature to find D and diffusion distance.

Hall-Petch Grain Strengthening Calculator

Calculate yield strength as a function of grain size using the Hall-Petch equation. See how grain refinement strengthens metals through grain boundary hardening.

Hollomon Strain Hardening Calculator

Calculate true stress from true strain using the Hollomon power law. Enter strength coefficient K and strain hardening exponent n to model work hardening and estimate UTS.

Weld Carbon Equivalent Calculator

Calculate carbon equivalent (CE) and minimum preheat temperature for welding steels. Uses the IIW formula with C, Mn, Cr, Mo, V, Ni, and Cu content to assess weld cracking risk.

Concrete Mix Design Calculator (w/c Ratio)

Estimate concrete mix proportions and water-to-cement ratio for a target strength in MPa or PSI. Based on the ACI 211.1 absolute volume method.

Corrosion Rate Calculator (Mils per Year)

Calculate metal corrosion rate in mils per year (MPY) and mm/year from weight loss data. Includes corrosion rating classification.

Surface Roughness Calculator (Ra / Rz)

Convert surface roughness between Ra, Rz, Rq, and Rt in micrometers. Returns ISO 1302 finish grade (N1-N12), machining process, and suitable applications.

Welding Heat Input Calculator

Calculate welding heat input in kJ/mm from voltage, current, and speed for SMAW, MIG, TIG, FCAW, and SAW. Includes efficiency factors and preheat guidance.

Composite Rule of Mixtures Calculator

Calculate composite material properties using the rule of mixtures for fiber-reinforced materials. Returns modulus, density, strength, and thermal conductivity.

Creep Rate Calculator

Calculate steady-state creep rate using the Norton power law. Find creep strain, time to failure, and Larson-Miller parameter for metals at high temperature.

Fatigue Life Estimator (S-N Curve)

Estimate metal fatigue life using S-N curves. Calculate cycles to failure from stress amplitude, endurance limit, and fatigue strength coefficient.

Fracture Toughness and Stress Intensity Calculator

Calculate stress intensity factor K, critical crack size, and fracture toughness using LEFM. Applies to metals, ceramics, and polymers.

Lumber and Wood Species Properties

Look up density, Janka hardness, modulus of elasticity, and modulus of rupture for 18 wood species. Calculate board weight from dimensions.

Plastics and Polymer Properties Reference

Look up density, tensile strength, elongation, service temperature, and uses for 18 plastics and polymers. Calculate part weight from volume.

Sheet Metal Gauge Converter

Convert sheet metal gauge to inches and mm for steel, aluminum, galvanized, and stainless steel. Find thickness, weight per sq ft, and equivalent wire gauge.

Yield Strength vs Ultimate Tensile Strength Reference

Look up yield strength and UTS for 20+ materials including steels, aluminum, titanium, plastics, and composites. Calculate applied stress and safety factors.

Young's Modulus / Elastic Modulus Calculator

Calculate stress, strain, and deformation using Young's modulus. Look up elastic modulus values for steel, aluminum, copper, concrete, and other materials.

Hardness Scale Converter (Vickers, Rockwell, Brinell, Shore)

Convert between Vickers (HV), Rockwell B and C (HRB, HRC), Brinell (HB/HBW), Knoop (HK), and Shore D hardness scales for metals and materials.

Metal Weight Calculator

Calculate the weight of metal stock from dimensions and alloy type. Supports round bar, flat bar, tube, sheet, and plate in steel, aluminum, copper, and brass.

Mineral Hardness (Mohs Scale) Reference Calculator

Look up minerals on the Mohs Hardness Scale and compare scratch resistance. Find the hardness of common materials from talc (1) to diamond (10).

Thermal Expansion Calculator

Calculate how much a material expands or contracts with temperature change. Covers metals, plastics, glass, and concrete with built-in coefficients.