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First-Class Package International Service Size—Other than Rolls Maximum length = 24 inches Maximum length + height + thickness combined = 36 inches Size—Rolls Minimum length = 8 1/4 inches Minimum length + twice the diameter combined = 12 inches Maximum length + twice the diameter combined ...

March 24, 2026 - You’ll need the package’s weight, dimensions, origin and destination ZIP codes, and desired service level (e.g., Priority Mail or Ground Advantage). You can use a USPS shipping calculator or a platform like ShipStation to do this automatically. ... The USPS charges by both weight and package size.

Just use our USPS shipping calculator to determine the cheapest way to ship your package. You can buy and print the postage in 3 simple steps, whether you're shipping just one package or thousands. ... Measure your package's dimensions and weigh it. ... Compare carriers and get the cheapest rate. ... Print the label and hand your package to the carrier. ... No monthly fees—we're paid by the carriers, not by you!

Use our free USPS shipping calculator below to quickly estimate the cost of sending your packages. Enter your package details, destination, and see the rates of popular USPS services like Priority Mail or Priority Mail Express.

Length: the longest side of the parcel Girth: measurement around the thickest part (perpendicular to the length) Length plus girth combined cannot exceed 108 inches. (USPS Ground Advantage® cannot exceed 130 inches.)

Calculate USPS shipping costs instantly. Compare rates across Priority Mail, Ground Advantage, and Express by zone, weight, and package size. Free, no signup required.

November 21, 2025 - Calculate USPS shipping costs for Ground Advantage, Priority Mail, and Express. Compare rates by weight, dimensions, and zone.

June 9, 2025 - Visit the USPS Website Navigate to the “Quick Tools” section and select “Calculate a Price.” ... Enter weight (in pounds and ounces). Provide dimensions (length, width, height) if required.

In that case, USPS is one of the options available, and, here you will be able to get a USPS shipping cost estimate using our USPS shipping rate calculator. All you need is to input the size, weight, and destination of your package to get the USPS shipping price quote.

April 1, 2025 - Get up to 89% off USPS shipping rates with Descartes ShipRush. Shipping rates depend on the destination, size, weight, and desired service for each package.

3 weeks ago - Just enter your ZIP codes, package weight, and box size, and the tool shows you estimated rates for every USPS service side by side. It works for domestic mail and international shipping to 20 countries.

Length is the longest dimension · Length is the longest dimension. Girth is the distance around the thickest part

Get a shipping quote in seconds with Shippo’s shipping cost calculator. Compare the best rates for USPS, UPS, FedEx, and others in real-time.Get startedContact an expert

Use our USPS Shipping Calculator to get real-time postage rates by weight, size, and ZIP. Compare services, delivery times & flat rates on Track.global.

The Origin ZIP Code and Destination Postal Code are required to provide a postage prices

Postal Bulletin 22227 > Today’sMailNeedsUSPS.com > Fact Sheet: Compare Postage Rates · Now you can calculate postage right from your com­puter using the rate calculator at www.usps.com/tools/calculatepostage. Have the size, shape, weight, and ZIP Code (for domestic mailing) of your mailing ...

March 14, 2026 - ShipStation brings together real-time shipping rate calculators, smart automation, and multi-channel order import, so your estimates match your actual operation. Other carriers use dynamic pricing models that can shift more frequently. Real-time rate tools help you avoid quoting outdated costs. USPS shipping estimates are driven by four core inputs: weight, dimensions, distance, and service level.

Estimate USPS shipping with dimensional weight, zones, flat-rate Priority packaging, insurance, and signature confirmation.