Free Guides

This guide provides detailed information on the 2021 postage rate changes for each USPS mail class and special services.

Publication Date: January 2021

This guide provides detailed information on the 2020 postage rate changes for each USPS mail class and special services.

Publication Date: January 2020

This guide provides detailed information on the 2019 postage rate changes for each USPS mail class and special services.

Publication Date: January 2019

This guide provides detailed information on the 2018 postage rate changes for each USPS mail class and special services.

Publication Date: January 2018

Your Complete Guide on Shipping to Canada with the USPS. Learn About International Shipping Carriers, Customs Forms, How to Handle Returns & More!

Publication Date: May 2017

This guide provides detailed information on the 2017 postage rate changes for each USPS mail class and special services.

Publication Date: December 2016

A complete guide on USPS Certified Mail including costs, delivery times, forms, FAQs and more. Learn how you can use Stamps.com to send your Certified Mail mailpieces.

Publication Date: December 2016

This pricing chart highlights pricing for different Priority Mail options listed in order from lowest price to highest price for packages up to 70 lbs. in weight.

Publication Date: May 2016

This guide provides detailed information on how to ship packages across the world using the USPS.

Publication Date: July 2015

This guide provides detailed information on the 2015 postage rate changes for each USPS mail class and special services.

Publication Date: May 2015

This guide provides detailed information on calculating DIM Weight pricing, which is based on the size of the package, not weight.

Publication Date: December 2014

This guide provides detailed information on shipping packages to Military Mail APO/FPO/DPO addresses using the USPS.

Publication Date: November 2014

This guide provides detailed information on the September 2014 price updates to USPS Priority Mail.

Publication Date: September 2014

This white paper evaluates the USPS, FedEx and UPS on Tracking Events, Delivery Times and Overall Costs.

Publication Date: February 2014

This guide contains detailed information on the 2014 postage rate changes for each USPS mail class, including special services.

Publication Date: January 2014

This guide shows different options for Priority Mail Boxes and Envelopes, along with dimensions, online postage pricing and weight options.

Publication Date: April 2014

This pricing chart highlights international shipping rates by country zone for First Class Package International Service packages up to 4 lbs. in weight.

Publication Date: April 2014

This pricing chart compares Media Mail rates to First Class Package Service rates highlighting cost savings for packages weighing between 1 and 13 ounces.

Publication Date: April 2014

This guide provides e-commerce sellers holiday shipping tips, advice for shipping products internationally and best practices for return shipping to help retailers optimize their fulfillment programs and increase sales during the holiday season.

Publication Date: November 2013

This guide contains detailed information on the 2013 postage rate changes for each USPS mail class, including special services.

Publication Date: January 2013

This guide contains detailed information on the 2012 postage rate changes for each USPS mail class, including special services.

Publication Date: January 2012

This guide provides online sellers with best practices and industry data to optimize their shipping programs and increase sales during the holiday season.

Publication Date: November 2011

This white paper is designed to educate business owners on how free shipping can be used as a great marketing tool for their e-commerce web site.

Publication Date: June 2011

This white paper discusses different options small business owners have to purchase postage. Includes comparison of online postage software to postage meters and the costs associated with each.

Publication Date: January 2009

Free* 5 lb. Digital Scale with Sign-up

Every new customer account starts with:

  •  Free* 5 lb. Digital Scale with sign-up
  • 4-week trial
  • $5 in USPS postage to use in trial period
  • USPS rate discounts you can’t get at the Post Office
  • No long-term contracts, cancel anytime
  • Only $17.99 per month plus applicable taxes, if any, including the first month if you stay past the 4-week trial

*pay only S&H fee