**Related Resources: heat transfer**

### Linear Thermal Expansion Equation and Calculator

**Heat Transfer Engineering
Thermodynamics **

**Linear Section Thermal Expansion Equation and Calculator **

Linear expansion is the change in length as opposed to change in volume. To a first approximation, the change in length measurements of an object due to thermal expansion is related to temperature change by a "linear expansion coefficient". It is the change in length per degree of temperature change.

Preview: Calculator Change of Length

ΔL = α *l*_{0} ΔT

or

ΔT = ΔL / α *l*_{0}

Where:

ΔT = End Temperature T1 - Start Temperature T2 (°F, °C)

ΔL = Change in length (in, m) or l_{1} - l_{0}

*l*_{0} = Length (in, m)

*l*_{1} = Length (in, m)

α = Coefficient of Thermal Expansion (1/°F, 1/°C). Note: that units may be expressed as in / in-°F, m / m-°C

Related:

- Convection Comvective Heat Transfer Equation and Calculator
- Extruded ( Finned )Heat Sink Radiation Formulae
- Convection of Known Surface Area Calculator
- Heat Loss from a Pipe
- Heat Sink Convection with Fins Calculator
- Heat Radiation of a Surface Calculator

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