What's the Date you plan to mail the item? What's the Time you plan to mail the item?

This calculator uses the latest USPS pricing data and shipping regulations to provide accurate postage estimates.

Calculate exact USPS postage costs instantly with our free calculator. Get current 2025 stamp prices, shipping estimates, and save money on domestic & international mail.

Use Stamps.com’s free shipping rate calculator to instantly compare USPS, UPS and DHL rates, optimize your shipping cost, and schedule free pickups. Find the lowest postage for your …

Nov 27, 2025 · Calculate USPS postage costs for letters, postcards, and packages. Estimate Priority Mail, First-Class Mail, and Media Mail rates based on weight and zone distance.

International Packages except First-Class Package International Service Length is the longest side of the parcel. Girth is the measurement around the thickest part of the parcel. Length plus …

Postage Calculator Calculate postage costs for different letter types, weights, and destinations. Includes domestic and international shipping options.