For firms or people who want to ship packages efficiently, the understanding of shipping costs with UPS is critically important. UPS shipping cost is determined by several factors such as the size of the package, the amount it weighs, how far you have to ship it and what class or method you choose for delivery. The main functions of UPS shipping costs include determining the price for different shipping services, from standard ground delivery to express air transport. The online shipping calculator produces accurate cost determination and technology features that integrate with e-commerce platforms using an API make it easy to do so for individual companies who have little time on their hands. UPS shipping costs are used in a large variety of applications. This includes e-commerce companies who need reliable quotations for their shipping work and individual consumers sending gifts all over America simply to experience the pleasure of doing so.