Definition:CGS/Energy/Calorie (International)

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This page is about International Calorie. For other uses, see Calorie.

Definition

The international calorie is a CGS unit of heat energy.

This unit is generally used in engineering.


It is defined as:

$1 \cdotp 163$ milliwatt-hours, or $4 \cdotp 1868$ joules exactly.


Conversion Factors

\(\ds \) \(\) \(\ds 1\) international calorie
\(\ds \) \(=\) \(\ds 4 \cdotp 1868\) joules \(\quad\) (exact)
\(\ds \) \(=\) \(\ds 1 \cdotp 163\) milliwatt-hours \(\quad\) (exact)
\(\ds \) \(\approx\) \(\ds 0 \cdotp 00396 \, 83\) British thermal units
\(\ds \) \(\approx\) \(\ds 1 \cdotp 1630 \times 10^{-6}\) kilowatt-hours
\(\ds \) \(\approx\) \(\ds 2 \cdotp 6132 \times 10^{19}\) electron volts


Symbol

The symbols used to denote the international calorie are $\mathrm {cal_s}$ or $\mathrm {cal_{IT} }$.


Also known as

The international calorie is also known as the international steam table calorie or international table calorie.

Hence it can also be seen presented as IT calorie.


Also see


Sources

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