Usps Rates 2024 Calculator Online. Compare usps mail services by starting retail prices, shipping time, and more. When looking up the price for a parcel in the shape of a tube using the postage price calculator, first select the “large package” shape, click the “nonrectangular”.
See how new and upcoming postage rate changes will affect your shipping, including stamp costs, flat rates, and more. Check and compare us postal service postage rates for international & domestic shipping with online calculator.