The formula to calculate earnings based on minutes worked is as follows: \[ \text{earnings} = \left(\frac{\text{hourly. If the first person does a job in time a, a second person does a job in time b, and together they can do a job in time t (total). We can use the work. Verkkoemploy the labor cost calculator to estimate the actual hourly labor cost of an employee. Read further to get an insight into what labor costs are and. Verkkoto calculate direct labor costs, identify how much it costs you per hour in labor and multiply that rate by how many hours were worked. Verkkoonline calculator to convert minutes to hours (min to hr) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between time. Verkkothe following formula is used to calculate the total cost per minute of time. Cpm = tc / (h*60+m+s/60) cpm = tc /(h ∗ 60 + m + s /60) where cpm is.