1.90 to send a letter in the mail

A classic!

Yes, in the United States, the cost to send a standard letter (1 oz) in the mail is currently $0.90. This rate applies to letters sent within the continental United States, and it's subject to change over time.

Here's a breakdown of the current rates for sending letters in the United States:

• Standard letter (1 oz): $0.90
• Standard letter (2 oz): $1.05
• Standard letter (3 oz): $1.20
• Standard letter (additional ounces): $0.15 per ounce

Keep in mind that these rates apply to letters sent within the continental United States. Rates may vary for letters sent to Alaska, Hawaii, or international destinations.