# Formula Symbols - K

Written by Jerry Ratzlaff on . Posted in Nomenclature & Symbols for Engineering, Mathematics, and Science

## Formula Symbols

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## K

SymbolGreek SymbolDefinitionEnglishMetricSIValue
$$K$$ - K-factor constant dimensionless constant -
$$K$$ - K-value $$ft$$ $$m$$ $$m$$ -
$$Ka$$ - Karlovitz number dimensionless -
$$K$$ - kelvin - $$K$$ $$x-273.15\;C$$ -
- - Kepler's third law (law of periods) $$mi$$ $$km$$ $$km$$ -
$$K_C$$ - Keulegan–Carpenter number     dimensionless -
$$KE$$, $$\;E_k$$ - kinetic energy $$lbf-ft$$ $$J$$ $$kg - m^2 - s^{-2}$$ -
$$f_k$$ - kinetic friction $$lbf$$ $$N$$ $$kg - m - s^{-2}$$ -
$$\mu_k$$ mu kinetic friction coefficient dimensionless -
- - kinematic equations - - - -
$$\nu$$ nu kinematic viscosity $$\large{\frac{ft^2}{sec}}$$ $$\large{\frac{m^2}{s}}$$ $$m^2-s^{-1}$$ -
$$Kn$$ - Knudsen number dimensionless -
$$K$$ - Kutateladze number dimensionless -

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