The proposed rates for first-class mail, single piece are in bold. Current rates are unbolded. The U.S. Postal Service is expected to vote on the final rates in early April to take effect on May 6.


Weight Letters¹ Flat² Parcel³
Up to 1 ounce $0.41 $0.62 $1.00
$0.39 $0.52 $0.52
2 oz. 0.62 0.82 1.20
0.63 0.63 0.63
3 oz. 0.82 1.02 1.40
0.87 0.87 0.87
4 oz. 1.02 1.22 1.60
1.11 1.11 1.11
5 oz. 1.42 1.80
1.35 1.35
6 oz. 1.62 2.00
1.59 1.59
7 oz. 1.82 2.20
1.83 1.83
8 oz. 2.02 2.40
2.07 2.07
9 oz. 2.22 2.60
2.31 2.31
10 oz. 2.42 2.80
2.55 2.55
11 oz. 2.62 3.00
2.79 2.79
12 oz. 2.82 3.20
3.03 3.03
13 oz. 3.02 3.40
3.27 3.27
  1. The dimensions of a 'letter' do not exceed 6-1/8 inches in height, 11-1/2 inches in length and 1/4 inch in thickness.
  2. A 'flat' exceeds the dimensions of a letter.
  3. A 'parcel' includes mailed items that do not conform to envelope or flat standards, such as mailings that include CDs, prescription bottles, etc.

Postcards


Proposed: $0.27
Current: $0.24
The weight limit for letters is 3.5 ounces. Regardless of weight, letters that do not meet the size guidelines or that have any nonmachinable characteristics will be subject to the flat rates.

— Source: U.S. Postal Service