How much to mail 1st class letter

The cost to mail a 1st Class letter in the United States depends on the weight and size of the letter, as well as the destination. Here are the current rates for 1st Class Mail letters:

Domestic (within the United States)

• Letters weighing up to 1 ounce: $0.55
• Letters weighing over 1 ounce but not exceeding 2 ounces: $0.70
• Letters weighing over 2 ounces but not exceeding 3 ounces: $0.85

International

• Letters weighing up to 1 ounce: $1.20 (to Canada), $1.30 (to other countries)
• Letters weighing over 1 ounce but not exceeding 2 ounces: $1.45 (to Canada), $1.55 (to other countries)
• Letters weighing over 2 ounces but not exceeding 3 ounces: $1.70 (to Canada), $1.80 (to other countries)

Additional Fees

• Extra postage for oversized or irregularly shaped letters: $0.15 to $0.30
• Extra postage for letters with additional services (e.g., tracking, insurance): $0.10 to $0.30

Note: These rates are subject to change, so it's always a good idea to check the official USPS website or consult with a postal worker for the most up-to-date information.

Keep in mind that these rates apply to standard 1st Class Mail letters. If you need to mail a larger or heavier package, you may need to use a different type of mail service, such as Priority Mail or Parcel Post.