How much cost to mail a letter

The cost to mail a letter in the United States depends on the weight, size, and destination of the letter, as well as the type of mail service used. Here are the current rates for mailing a letter in the United States:

First-Class Mail

• Letters weighing up to 1 ounce: $0.55
• Letters weighing 1 ounce to 2 ounces: $0.70
• Letters weighing 2 ounces to 3 ounces: $0.85
• Letters weighing 3 ounces to 3.5 ounces: $1.00

Priority Mail

• Flat Rate Envelope (up to 70 lbs): $7.50
• Regional Rate Box A (up to 15 lbs): $13.35
• Regional Rate Box B (up to 20 lbs): $16.35
• Regional Rate Box C (up to 20 lbs): $18.35

Priority Mail Express

• Flat Rate Envelope (up to 70 lbs): $25.50
• Regional Rate Box A (up to 15 lbs): $34.35
• Regional Rate Box B (up to 20 lbs): $41.35
• Regional Rate Box C (up to 20 lbs): $44.35

International Mail

• First-Class Mail International: $1.20 (up to 1 oz), $2.29 (up to 2 oz), $3.38 (up to 3 oz)
• Priority Mail International: $24.95 (up to 1 lb), $34.95 (up to 2 lbs), $44.95 (up to 3 lbs)

Please note that 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.