First class mail weight price

The weight and price of First Class Mail in the United States vary depending on the size and weight of the piece, as well as the destination. Here are the current rates for First Class Mail:

Letters

• Weight: Up to 1 oz (28.35 grams)
• Price:
  • Domestic: $0.55
  • International: $1.20 (to Canada), $1.30 (to Mexico), $1.40 (to other countries)

Large Envelopes (Flats)

• Weight: Up to 13.5 oz (382.6 grams)
• Price:
  • Domestic: $1.00
  • International: $2.30 (to Canada), $2.50 (to Mexico), $2.70 (to other countries)

Packets

• Weight: Up to 13.5 oz (382.6 grams)
• Price:
  • Domestic: $1.00
  • International: $2.30 (to Canada), $2.50 (to Mexico), $2.70 (to other countries)

Oversized Envelopes (Flats)

• Weight: Over 13.5 oz (382.6 grams)
• Price:
  • Domestic: $1.50
  • International: $3.30 (to Canada), $3.50 (to Mexico), $3.70 (to other countries)

Additional Ounces

• Each additional ounce: $0.15

International First Class Mail

• Weight: Up to 3.5 oz (99.2 grams)
• Price:
  • Canada: $1.20
  • Mexico: $1.30
  • Other countries: $1.40

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