REAL-TIME RATES FROM CARRIERS (USPS FUNDAMENTALS EXPLAINED

DIM weight is calculated by multiplying the size, width, and height in the deal or box size, then dividing by an ordinary DIM divisor. Shipping carriers like USPS, FedEx, and UPS calculate shipping charges depending on whichever is greater: the particular weight of the package deal or its DIM weight. Whichever is better will become the billable