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Physics & Constants

Thermodynamic properties, universal constants, and material densities.

Standard Atmospheric Pressure

Engineering reference for standard atmospheric pressure values. Quick conversion table for atm, bar, Pascals (Pa), psi, and mmHg.

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Avogadro's Number & Molar Mass of Air

Standard reference for Avogadro's number and the precise molar mass of dry air for chemistry and thermodynamic calculations.

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Coefficient of Thermal Expansion (CTE)

Linear coefficient of thermal expansion (CTE) chart for common engineering materials including steel, aluminum, copper, and plastics.

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Ideal Gas Constant (R)

Universal ideal gas constant (R) values provided in various unit systems (J/mol·K, L·atm/mol·K, etc.) for thermodynamic equations.

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Material Densities Chart

Comprehensive density chart (kg/m3 & g/cm3) for common engineering solids, liquids, and gases used in structural and mechanical design.

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Permittivity & Permeability of Free Space

Fundamental electromagnetic constants: Vacuum permittivity (ε0) and vacuum permeability (μ0) values for electrical engineering.

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Specific Heat Capacities (cp, cv)

Specific heat capacity reference table for common metals, liquids, and ideal gases at standard temperatures and pressures.

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Stefan-Boltzmann Constant

Standard value of the Stefan-Boltzmann constant (σ) and its application in black-body radiation and thermal heat transfer engineering.

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Thermal Conductivity Constants (k)

Thermal conductivity (k-values) chart for metals, insulators, liquids, and gases to calculate heat conduction rates.

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Dynamic & Kinematic Viscosity of Water and Air

Temperature-dependent absolute (dynamic) and kinematic viscosity tables for water and air used in fluid mechanics calculations.

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