Calculate Postcard price View Flat Rate Envelopes View Flat Rate Boxes Calculate price based on Shape and 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.

Get USPS shipping rates instantly. Compare services, print labels, and save up to 89% with ShipStation’s USPS postage calculator.

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

Stop overpaying for shipping and start making informed decisions with our comprehensive USPS Shipping Cost Calculator. Whether you’re shipping domestically or internationally, our tool provides …

Calculate USPS shipping costs instantly with our free USPS Postage Calculator. Works for domestic and international shipments.

The USPS Shipping Costs Calculator simplifies this task, offering an instant way to calculate shipping charges based on your package’s dimensions and weight. This free online tool is ideal for …

Calculate Postcard price View Flat Rate Envelopes View Flat Rate Boxes Calculate price based on Shape and Size

Send mail and packages with USPS online shipping options. Choose your mail service by delivery speed, cost, and additional services like tracking and insurance.