Calculate Your Hourly Equivalents. Instructions: Enter your annual salary, the number of hours you work per day, and the number of days you work per week, then click the Calculate Hourly Pay button. Mouse over the blue question marks for a further explanation of each entry field.verage number of days you work during each week: Hourly Pay: This is what your annual salary translates into per hour, (ANNUAL SALARY ÷ (HOURS PER DAY X HOURS DAYS PER WEEK X 52.14)). Daily: This is what your annual salary translates into per day (HOURLY PAY X HOURS PER DAY).