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

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

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.

You can check out the starting prices for many of our domestic and international mailing and shipping options below or visit the Postal Explorer ® website to review the full USPS® Price List.

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