Postal Rates 2024 Calculator. Calculate postage costs and purchase labels effortlessly online, streamlining your shipping process and saving time and effort. Just use our usps shipping calculator to determine the cheapest way to ship your package.

Postal service filed notice with the postal regulatory commission of mailing services price changes to take effect july 14,. Explore the usps postage rate shifts for postcards, flats, and letter sizes in 2024, and optimize your mailing strategies.