Us mail rates by weight

Here are the current USPS (United States Postal Service) rates for mail sent within the United States, based on weight:

Letters (1 oz or less)

• First-Class Mail: $0.55
• Priority Mail: $7.50 (flat rate)

Large Envelopes (1 oz to 13 oz)

• First-Class Mail: $0.92
• Priority Mail: $8.50 (flat rate)

Packets (13 oz to 1 lb)

• First-Class Mail: $1.20
• Priority Mail: $9.50 (flat rate)

Packages (1 lb to 2 lbs)

• First-Class Mail: $2.40
• Priority Mail: $12.50 (flat rate)

Packages (2 lbs to 3 lbs)

• First-Class Mail: $3.20
• Priority Mail: $14.50 (flat rate)

Packages (3 lbs to 4 lbs)

• First-Class Mail: $4.00
• Priority Mail: $16.50 (flat rate)

Packages (4 lbs to 5 lbs)

• First-Class Mail: $4.80
• Priority Mail: $18.50 (flat rate)

Packages (5 lbs to 10 lbs)

• First-Class Mail: $6.40
• Priority Mail: $22.50 (flat rate)

Packages (10 lbs to 20 lbs)

• First-Class Mail: $8.40
• Priority Mail: $26.50 (flat rate)

Packages (20 lbs to 30 lbs)

• First-Class Mail: $10.40
• Priority Mail: $30.50 (flat rate)

Packages (30 lbs to 40 lbs)

• First-Class Mail: $12.40
• Priority Mail: $34.50 (flat rate)

Packages (40 lbs to 50 lbs)

• First-Class Mail: $14.40
• Priority Mail: $38.50 (flat rate)

Packages (50 lbs to 70 lbs)

• First-Class Mail: $16.40
• Priority Mail: $42.50 (flat rate)

Packages (70 lbs to 100 lbs)

• First-Class Mail: $18.40
• Priority Mail: $46.50 (flat rate)

Packages (100 lbs or more)

• First-Class Mail: $20.40
• Priority Mail: $50.50 (flat rate)

Please note that these rates are subject to change, and you should always check the USPS website for the most up-to-date rates and fees. Additionally, these rates apply to mail sent within the United States only. International rates may vary.