Overtime is defined as time performed in excess of a worker's regular contracted hours. For example, if an employee is scheduled to work 8 hours per day and instead works 9, they have worked 1 hour of overtime. Overtime calculation is the calculation of the additional hours performed by employees. Overtime compensation is determined by the amount of money a company is willing to pay its employees. It's a simple computation if they utilise one of the examples provided above. You must first calculate each employee's hourly rate, then multiply that by the overtime rate, and finally multiply that sum by the entire hour of overtime worked.