The Thermal Energy Calculator determines the amount of heat energy transferred to or from a substance when its temperature changes, using the equation Q=m×c×ΔTQ = m × c × ΔTQ=m×c×ΔT. In this formula, mmm represents the mass of the substance in kilograms, ccc is the specific heat capacity in joules per kilogram per degree Celsius, and ΔTΔTΔT is the temperature change in degrees Celsius. This calculator helps students and engineers understand heat transfer, energy absorption, and thermal processes in physics, thermodynamics, and engineering applications.