Specific Heat Calculator
Solve Q = mc(delta T) for any variable.
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Select which variable to solve for, then enter the other three values. The calculator uses Q = mc(delta T) to find the missing quantity. Common specific heat values: water 4186, aluminum 897, iron 449 J/(kg K).
About Specific Heat
The equation Q = mc(delta T) is the fundamental relationship between heat energy, mass, specific heat capacity, and temperature change. Specific heat capacity (c) is a material property that determines how much energy is needed to change its temperature. Water's high specific heat makes it an excellent coolant and thermal buffer. This equation is used in calorimetry, cooking, HVAC design, and any application involving temperature changes.
Frequently Asked Questions
What is specific heat capacity?
Specific heat capacity is the amount of energy needed to raise the temperature of 1 kg of a substance by 1 kelvin (or 1 degree Celsius). Water has a high specific heat of 4,186 J/(kg K).
Why does water have such a high specific heat?
Water molecules form hydrogen bonds that require extra energy to break. This makes water effective for thermal regulation, cooking, and cooling systems.
What is the difference between heat and temperature?
Temperature measures average molecular kinetic energy. Heat is energy transferred due to a temperature difference. A large mass at low temperature can contain more heat energy than a small mass at high temperature.