How Much Does It Cost to Send a Letter in the U.S.?

USPS Forever Stamp cost 2025

In 2025, USPS First-Class Mail remains one of the most affordable ways to send mail in the United States. Below, we’ve broken down exactly how much postage you’ll need — and how to send a letter without ever visiting a post office.

USPS First-Class Letter Rates (2025)

Mail TypePrice
Standard Letter (1 oz)$0.68
Each Additional Ounce+ $0.24
Postcard (Domestic)$0.53
International Letter (1 oz)$1.55

Need more help? Check our Envelope Addressing Guide for info on format and placement.

Want to Skip the Stamps and Send It Online?

With The Letter Pilot, you can skip the stamps, skip the trip, and mail straight from your device.

  • Upload your letter as a PDF or Word document
  • Or type it out directly on our site
  • We’ll print, address, and deliver it via USPS

FAQs: Mailing Costs and Postage

How much does it cost to mail a letter in 2025?

As of June 2025, it costs $0.68 to send a standard First-Class letter (1 oz) within the U.S.

How many stamps do I need for 2 ounces?

You’ll need $0.92 in postage — one Forever Stamp ($0.68) and one additional ounce stamp ($0.24).

How can I send a letter online?

Use The Letter Pilot to upload your document and we’ll print, stamp, and mail it for you.

Updated June 2025 • USPS rates subject to change