Does gasoline expand with heat and contract with cold?

1 Answers
HarmonyMarie
07/30/25 8:17am
Yes, but the thermal expansion and contraction of gasoline is not significant. Here are the relevant details: Related knowledge: For gasoline, its density is much lower than that of water, so one liter of gasoline certainly does not weigh one kilogram. At room temperature of 25°C, taking 93-octane gasoline as an example, its weight is approximately 0.725 kilograms. Therefore, one liter of gasoline still weighs around 0.7 kilograms, which is far from one kilogram. When the temperature rises, its volume increases, and consequently, its density decreases. From this perspective, the thermal expansion and contraction of gasoline can to some extent affect its density, although this change is very minimal. Thermal expansion and contraction of gasoline: Gasoline does expand with heat and contract with cold. For every 1°C increase in temperature, the volume of gasoline expands by approximately 0.12%.
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