An Acceleration Calculator is a tool used to determine the rate of change of velocity of an object over time. It helps users calculate how quickly an object speeds up or slows down, which is essential in various fields such as physics, engineering, and automotive design. The formula typically used is acceleration equals the change in velocity divided by the time taken for that change. These calculators can be found online or as mobile applications, making them accessible for students, professionals, and enthusiasts. By inputting initial and final velocities along with the time interval, users can easily obtain the acceleration value, aiding in understanding motion dynamics.