Mailing costs by weight

Here are the standard mailing costs by weight for the United States Postal Service (USPS) as of 2022:

First-Class Mail

• Letters (1 oz or less): $0.55
• Letters (1 oz to 2 oz): $0.60
• Letters (2 oz to 3 oz): $0.65
• Letters (3 oz to 3.5 oz): $0.70
• Letters (3.5 oz to 4 oz): $0.75
• Letters (4 oz to 5 oz): $0.80
• Letters (5 oz to 6 oz): $0.85
• Letters (6 oz to 7 oz): $0.90
• Letters (7 oz to 8 oz): $0.95
• Letters (8 oz to 9 oz): $1.00
• Letters (9 oz to 10 oz): $1.05
• Letters (10 oz to 11 oz): $1.10
• Letters (11 oz to 12 oz): $1.15

Priority Mail

• Small Flat Rate Box (up to 70 lbs): $7.95
• Medium Flat Rate Box (up to 13 lbs): $14.35
• Large Flat Rate Box (up to 20 lbs): $19.95
• Regional Rate Box A (up to 15 lbs): $12.35
• Regional Rate Box B (up to 20 lbs): $14.35
• Regional Rate Box C (up to 20 lbs): $16.35
• Regional Rate Box D (up to 20 lbs): $18.35

Priority Mail Express

• Small Flat Rate Box (up to 70 lbs): $25.50
• Medium Flat Rate Box (up to 13 lbs): $34.50
• Large Flat Rate Box (up to 20 lbs): $44.50
• Regional Rate Box A (up to 15 lbs): $32.50
• Regional Rate Box B (up to 20 lbs): $34.50
• Regional Rate Box C (up to 20 lbs): $36.50
• Regional Rate Box D (up to 20 lbs): $38.50

International Mail

• First-Class Package International Service (up to 1 lb): $13.95
• First-Class Package International Service (1-2 lbs): $19.95
• First-Class Package International Service (2-3 lbs): $25.95
• Priority Mail International (up to 1 lb): $24.95
• Priority Mail International (1-2 lbs): $34.95
• Priority Mail International (2-3 lbs): $44.95

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 do not include any additional services or fees, such as insurance, tracking, or delivery confirmation.