TIP: Use the USPS ® Price Calculator tool to calculate your domestic postage costs. You’ll need to know your mailpiece’s weight, shape, and size measurements. There are specific regulations and …

Calculate exact USPS postage and stamps needed. Free calculator with real-time rates for letters, packages, and international mail.

Calculate USPS postage costs for domestic and international mail. Get live rates for First-Class, Priority Mail, Priority Mail Express, and more. Free calculator powered by official USPS data.

For domestic deliveries, the calculator provides rates for all major USPS services. You can see the costs for Priority Mail, First-Class Package, and Media Mail.

Use our free USPS Postage Calculator to instantly determine the correct postage for your letters, postcards, and packages.

Use the USPS Postage Weight Calculator to estimate shipping costs based on package weight, size, and mail class—fast, simple, accurate.

USPS Postage Calculator Accurately estimate your shipping costs for letters, flats, and parcels. This professional-grade tool integrates real-time USPS rate logic, dimensional weight factors, and service …

The USPS Postage Rate Calculator helps determine the correct postage for mail and packages based on weight, destination, mail class, and additional services. Rates vary depending on these factors …

USPS postage rates offer low-cost mailing and shipping prices for domestic & international customers. See Forever postage stamp prices and other postage rates.

Estimate USPS Lettermail and package postage accurately by computing billable weight (including dimensional weight where applicable) and applying the latest USPS rate table you enter.