How do you calculate postage by weight? Customer Support 25 August 2022 Weigh Your Item and Round Up USPS rounds up to either the next pound (lb) or ounce (oz). For example,…
How many stamps do I need for a 1lb package? Customer Support 8 August 2022 thanks! Media Mail for packages under 1 lb. is $2.38…or 6 first class stamps, unless you have some smaller denomination.…