usps ground cost USPS ground cost refers to the pricing for USPS Ground Advantage, the service designed for non-urgent, cost-effective package shipping across the United States. Pricing is calculated based on weight, dimensions, and destination zone. It’s ideal for heavier items not needing fast delivery, often undercutting UPS or FedEx for economy-level services. With included tracking and delivery in 2–5 business days, USPS ground cost remains a go-to for budget-conscious shippers. Accurate rate estimation tools help businesses forecast logistics expenses and optimize shipping strategies.