Le Thermal Stress Calculator is a practical engineering tool designed to estimate stress caused by restricted thermal expansion or contraction. By entering Young’s modulus, thermal expansion coefficient, temperature change, and restraint conditions, users can calculate thermal strain, thermal stress, thermal force, safety factor, and allowable temperature change. The Thermal Stress Calculator is useful for mechanical components, piping systems, machine frames, shafts, bearings, structural members, and other engineering applications affected by temperature variation.