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What Is Cost Driver In Cost Accounting Jun 2026

The defines a cost driver as:

At its most fundamental level, a cost driver is the "activity" that triggers a specific expense. It acts as the input variable in the cost equation; as the frequency or intensity of the cost driver increases, the total cost associated with it rises. For example, if a factory uses electricity to run machines, the number of machine hours is a cost driver for the electricity bill. The more the machines run, the higher the cost. By identifying these drivers, accountants can analyze how specific actions correlate with financial outcomes, transforming accounting from a historical record into a diagnostic tool. what is cost driver in cost accounting

Alex explained to Emma and Ryan that these factors, which caused their costs to increase, were called . A cost driver is a factor that causes a change in the cost of an activity or product. In this case, the number of ovens and mixers was a cost driver for Emma's electricity costs, while the number of skilled bakers was a cost driver for Ryan's labor costs. The defines a cost driver as: At its