Author: grishu312@gmail.com
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Tire Tread Size Calculator -
Fit & Tolerance Calculator Fit & Tolerance Calculator
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Surface Texture / Roughness Calculator Surface Texture / Roughness Calculator
Enter measured profile heights (peaks and valleys) separated by commas or spaces.
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GD&T Positional Tolerance Calculator GD&T Positional Tolerance Calculator
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Coefficient of Friction (μ) Calculator Coefficient of Friction (μ) Calculator
Compute μ, friction force, normal force, or critical incline angle. Units: N for forces, degrees for angles.
Compute
Notes:- Preset values are typical approximate ranges — real μ depends on surface finish, contamination, lubrication, temperature, and normal pressure.
- Static μ (μₛ) is used to determine whether motion starts; kinetic μ (μₖ) applies once sliding occurs.
- For block on incline, motion begins when tan(θ) > μₛ (ignore rolling, adhesion effects).
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Thermal Expansion Calculator Thermal Expansion Calculator
Compute linear, area and volumetric expansion for a given ΔT and coefficient of thermal expansion (CTE).
Enter in 1/°C (or use ppm/°C below)1 ppm/°C = 1×10⁻⁶ /°C
Geometry & Temperature
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Impact Strength Conversion Calculator Impact Strength Conversion Calculator
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Hardness Conversion Calculator Hardness Conversion Calculator
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Tensile Strength Conversion Calculator Tensile Strength Conversion Calculator
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Stress & Strain Calculator Stress & Strain Calculator
Choose the problem type, enter inputs (SI-like but lengths in mm), get stresses, strains and deformations.
Notes: Areas use mm², diameters/radii in mm, moments in N·mm, torques in N·mm. Stress results shown in MPa (N/mm²). Make sure to use consistent units.