Usps 2025 Postage Rates Calculator. Stamps.com software includes everything customers need to calculate current postage rates. Washington, dc — today, the united states postal service filed notice with the postal regulatory commission (prc) of mailing services price changes to take effect jan.

The usps shipping calculator makes it simple to input shipping cost factors such as destination, zip codes, dates, service level, and weight to compare prices and delivery times. Get a usps shipping estimate for your parcel, in 5 simple steps: