

Priority Mail padded flat-rate envelope: $8.40 (current), $8.55 (new).Priority Mail legal flat-rate envelope: $8.05 (current), $8.25 (new).Priority Mail regular flat-rate envelope: $7.75 (current), $7.95 (new).Army/Air Post Office and Fleet Post Office large flat-rate box: $19.60 (current), $20.40 (new).Priority Mail large flat-rate box: $21.10 (current), $21.90 (new).Priority Mail medium flat-rate box: $15.05 (current), $15.50 (new).Priority Mail small flat-rate box: $8.30 (current), $8.45 (new).First-Class Mail Flats (1 ounce): $1 (no change from current price).First-Class Mail letters (1 ounce): 55 cents (no change from current price).First-Class Mail domestic postcard stamps: 35 cents (current), 36 cents (new).First-Class Mail letters (metered 1 ounce): 50 cents (current), 51 cents (new).First-Class Mail letters (additional ounces): 15 cents (current), 20 cents (new).Here are the current and new retail prices: Several Postal Service price changes will take effect Sunday, Jan. That is the exact cubic dimension of your package.Lynell Alexander, a retail associate at Pocoshock Creek Branch in Richmond, VA, serves a customer last fall. Multiply the Length, Width, and Height, and then divide that total by 1,728. For boxes that aren't square, measure the Length, Width, and Height of your box in inches. A 2 cubic foot square box is pretty big and well beyond the size of most packages being shipped. A square package 2 feet by 2 feet is 2 Cubic feet. A square package 1 foot by 1 foot is 1 cubic foot. *Calculating the cubic dimensions of your packages isn't difficult. And when shipping packages, select Large Package. We suggest reviewing your shipping process to ship in the smallest box possible to avoid these surcharges.

