mail by weight usps

mail by weight usps is how USPS determines the shipping cost for many of its services. The price for shipping packages, particularly for First-Class Mail and Priority Mail, is often based on the weight of the item being shipped. Heavier packages typically incur higher shipping fees. USPS provides online tools to calculate shipping costs based on package weight, size, and destination. For heavier items, Priority Mail or Priority Mail Express may be more cost-effective options than First-Class Mail. Knowing the weight of your package helps in accurately estimating the cost of shipping.