Priority Mail Rate Comparison Table

The USPS offers special pricing for Priority Mail Flat Rate and Priority Mail Regional Rate boxes. Choosing the least expensive box type to use varies depending on the weight and destination of a package and in some cases, it is less expensive to use regular Priority Mail pricing. Determining which box type to use can be complicated; the table below simplifies choosing the most economical Priority Mail box type to use.

How to determine which Priority Mail box type to use

The following table provides pricing for each Priority box type. Within each cell, boxes are listed in order from lowest price to highest price.

Priority: Regular Priority Mail
Small: Small Flat Rate Box — 8-5/8" x 5-3/8" x 1-5/8"
Medium: Medium Flat Rate Box — 11" x 8-1/2" x 5-1/2" or 13-5/8" x 11-7/8" x 3-3/8"
Large: Large Flat Rate Box — 12" x 12" x 5-1/2"
Reg. A: Regional Rate A — Up to 15 lbs - 11 1/16" x 2 1/2" x 13 1/16" or 10 1/8" x 7 1/8" x 5"
Reg B: Regional Rate B — Up to 20 lbs. - 14 1/2" x 3" x 16 1/4" or 12 1/4" x 10 1/2" x 5 1/2"

Weight (up to)	Zone
Lbs.	2	3	4	5	6	7	8
1	Priority, $4.80 Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Med., $10.50 Large, $14.20	Priority, $4.90 Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Med., $10.50 Large, $14.20	Small, $5.00 Priority, $5.05 Reg. A, $5.58 Reg. B, $8.06 Med., $10.50 Large, $14.20	Small, $5.00 Priority, $5.19 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Large, $14.20	Small, $5.00 Priority, $5.34 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Large, $14.20	Small, $5.00 Priority, $5.49 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20	Small, $5.00 Priority, $5.83 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62
2	Reg. A, $4.97 Priority, $4.97 Small, $5.00 Reg. B, $5.81 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.08 Priority, $5.08 Reg. B, $6.88 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.58 Priority, $5.58 Reg. B, $8.06 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $7.15 Priority, $7.15 Med., $10.50 Reg. B, $10.51 Large, $14.20	Small, $5.00 Reg. A, $7.83 Priority, $7.83 Med., $10.50 Reg. B, $12.29 Large, $14.20	Small, $5.00 Reg. A, $8.36 Priority, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20	Small, $5.00 Reg. A, $9.37 Priority, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62
3	Reg. A, $4.97 Small, $5.00 Priority, $5.16 Reg. B, $5.81 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.08 Priority, $5.96 Reg. B, $6.88 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.58 Priority, $7.03 Reg. B, $8.06 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $7.15 Priority, $8.47 Med., $10.50 Reg. B, $10.51 Large, $14.20	Small, $5.00 Reg. A, $7.83 Priority, $9.68 Med., $10.50 Reg. B, $12.29 Large, $14.20	Small, $5.00 Reg. A, $8.36 Priority, $10.44 Med., $10.50 Reg. B, $13.12 Large, $14.20	Small, $5.00 Reg. A, $9.37 Med., $10.50 Priority, $12.14 Large, $14.20 Reg. B, $14.62
4	Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Priority, $5.81 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Priority, $6.88 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.58 Reg. B, $8.06 Priority, $8.06 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Priority, $10.51 Large, $14.20	Small, $5.00 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Priority, $12.29 Large, $14.20	Small, $5.00 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Priority, $13.12 Large, $14.20	Small, $5.00 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62 Priority, $14.62
5	Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Priority, $6.81 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Priority, $7.98 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.58 Reg. B, $8.06 Priority, $9.18 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Priority, $12.18 Large, $14.20	Small, $5.00 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Priority, $14.05 Large, $14.20	Small, $5.00 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20 Priority, $15.09	Small, $5.00 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62 Priority, $16.93
6	Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Priority, $7.63 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Priority, $8.91 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.58 Reg. B, $8.06 Priority, $10.36 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Priority, $13.86 Large, $14.20	Small, $5.00 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Large, $14.20 Priority, $15.74	Small, $5.00 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20 Priority, $17.19	Small, $5.00 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62 Priority, $19.36
7	Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Priority, $8.13 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Priority, $9.71 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.58 Reg. B, $8.06 Med., $10.50 Priority, $11.17 Large, $14.20	Small, $5.00 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Large, $14.20 Priority, $15.74	Small, $5.00 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Large, $14.20 Priority, $17.42	Small, $5.00 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20 Priority, $19.41	Small, $5.00 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62 Priority, $21.78
8	Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Priority, $8.73 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Med., $10.50 Priority, $10.56 Large, $14.20	Small, $5.00 Reg. A, $5.58 Reg. B, $8.06 Med., $10.50 Priority, $12.68 Large, $14.20	Small, $5.00 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Large, $14.20 Priority, $17.30	Small, $5.00 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Large, $14.20 Priority, $19.11	Small, $5.00 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20 Priority, $21.34	Small, $5.00 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62 Priority, $24.45
9	Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Priority, $9.10 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Med., $10.50 Priority, $11.38 Large, $14.20	Small, $5.00 Reg. A, $5.58 Reg. B, $8.06 Med., $10.50 Priority, $13.52 Large, $14.20	Small, $5.00 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Large, $14.20 Priority, $18.64	Small, $5.00 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Large, $14.20 Priority, $20.84	Small, $5.00 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20 Priority, $23.18	Small, $5.00 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62 Priority, $27.20
10	Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Priority, $9.80 Med., $10.50 Large, $14.20	Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Med., $10.50 Priority, $12.24 Large, $14.20	Small, $5.00 Reg. A, $5.58 Reg. B, $8.06 Med., $10.50 Large, $14.20 Priority, $14.71	Small, $5.00 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Large, $14.20 Priority, $20.17	Small, $5.00 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Large, $14.20 Priority, $22.48	Small, $5.00 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20 Priority, $25.44	Small, $5.00 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62 Priority, $29.57
11	Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Med., $10.50 Priority, $10.61 Large, $14.20	Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Med., $10.50 Priority, $13.08 Large, $14.20	Small, $5.00 Reg. A, $5.58 Reg. B, $8.06 Med., $10.50 Large, $14.20 Priority, $15.89	Small, $5.00 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Large, $14.20 Priority, $21.76	Small, $5.00 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Large, $14.20 Priority, $24.17	Small, $5.00 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20 Priority, $27.70	Small, $5.00 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62 Priority, $32.02
12	Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Med., $10.50 Priority, $11.35 Large, $14.20	Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Med., $10.50 Priority, $14.01 Large, $14.20	Small, $5.00 Reg. A, $5.58 Reg. B, $8.06 Med., $10.50 Large, $14.20 Priority, $17.04	Small, $5.00 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Large, $14.20 Priority, $23.36	Small, $5.00 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Large, $14.20 Priority, $26.33	Small, $5.00 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20 Priority, $29.96	Small, $5.00 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62 Priority, $34.39
13	Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Med., $10.50 Priority, $12.05 Large, $14.20	Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Med., $10.50 Large, $14.20 Priority, $14.89	Small, $5.00 Reg. A, $5.58 Reg. B, $8.06 Med., $10.50 Large, $14.20 Priority, $17.96	Small, $5.00 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Large, $14.20 Priority, $24.62	Small, $5.00 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Large, $14.20 Priority, $28.26	Small, $5.00 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20 Priority, $31.15	Small, $5.00 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62 Priority, $35.57
14	Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Med., $10.50 Priority, $12.75 Large, $14.20	Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Med., $10.50 Large, $14.20 Priority, $15.79	Small, $5.00 Reg. A, $5.58 Reg. B, $8.06 Med., $10.50 Large, $14.20 Priority, $19.05	Small, $5.00 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Large, $14.20 Priority, $26.16	Small, $5.00 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Large, $14.20 Priority, $29.82	Small, $5.00 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20 Priority, $32.94	Small, $5.00 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62 Priority, $37.33
15	Reg. A, $4.97 Small, $5.00 Reg. B, $5.81 Med., $10.50 Priority, $13.32 Large, $14.20	Small, $5.00 Reg. A, $5.08 Reg. B, $6.88 Med., $10.50 Large, $14.20 Priority, $16.67	Small, $5.00 Reg. A, $5.58 Reg. B, $8.06 Med., $10.50 Large, $14.20 Priority, $20.12	Small, $5.00 Reg. A, $7.15 Med., $10.50 Reg. B, $10.51 Large, $14.20 Priority, $27.70	Small, $5.00 Reg. A, $7.83 Med., $10.50 Reg. B, $12.29 Large, $14.20 Priority, $31.03	Small, $5.00 Reg. A, $8.36 Med., $10.50 Reg. B, $13.12 Large, $14.20 Priority, $33.52	Small, $5.00 Reg. A, $9.37 Med., $10.50 Large, $14.20 Reg. B, $14.62 Priority, $38.30
16	Small, $5.00 Reg. B, $5.81 Med., $10.50 Reg. A, $13.71 Priority, $13.71 Large, $14.20	Small, $5.00 Reg. B, $6.88 Med., $10.50 Large, $14.20 Reg. A, $17.57 Priority, $17.57	Small, $5.00 Reg. B, $8.06 Med., $10.50 Large, $14.20 Reg. A, $21.21 Priority, $21.21	Small, $5.00 Med., $10.50 Reg. B, $10.51 Large, $14.20 Reg. A, $29.19 Priority, $29.19	Small, $5.00 Med., $10.50 Reg. B, $12.29 Large, $14.20 Reg. A, $32.75 Priority, $32.75	Small, $5.00 Med., $10.50 Reg. B, $13.12 Large, $14.20 Reg. A, $35.40 Priority, $35.40	Small, $5.00 Med., $10.50 Large, $14.20 Reg. B, $14.62 Reg. A, $40.46 Priority, $40.46
17	Small, $5.00 Reg. B, $5.81 Med., $10.50 Large, $14.20 Reg. A, $14.23 Priority, $14.23	Small, $5.00 Reg. B, $6.88 Med., $10.50 Large, $14.20 Reg. A, $18.45 Priority, $18.45	Small, $5.00 Reg. B, $8.06 Med., $10.50 Large, $14.20 Reg. A, $22.33 Priority, $22.33	Small, $5.00 Med., $10.50 Reg. B, $10.51 Large, $14.20 Reg. A, $30.73 Priority, $30.73	Small, $5.00 Med., $10.50 Reg. B, $12.29 Large, $14.20 Reg. A, $34.43 Priority, $34.43	Small, $5.00 Med., $10.50 Reg. B, $13.12 Large, $14.20 Reg. A, $37.24 Priority, $37.24	Small, $5.00 Med., $10.50 Large, $14.20 Reg. B, $14.62 Reg. A, $42.61 Priority, $42.61
18	Small, $5.00 Reg. B, $5.81 Med., $10.50 Large, $14.20 Reg. A, $14.50 Priority, $14.50	Small, $5.00 Reg. B, $6.88 Med., $10.50 Large, $14.20 Reg. A, $19.06 Priority, $19.06	Small, $5.00 Reg. B, $8.06 Med., $10.50 Large, $14.20 Reg. A, $23.41 Priority, $23.41	Small, $5.00 Med., $10.50 Reg. B, $10.51 Large, $14.20 Reg. A, $32.23 Priority, $32.23	Small, $5.00 Med., $10.50 Reg. B, $12.29 Large, $14.20 Reg. A, $36.22 Priority, $36.22	Small, $5.00 Med., $10.50 Reg. B, $13.12 Large, $14.20 Reg. A, $39.10 Priority, $39.10	Small, $5.00 Med., $10.50 Large, $14.20 Reg. B, $14.62 Reg. A, $44.72 Priority, $44.72
19	Small, $5.00 Reg. B, $5.81 Med., $10.50 Large, $14.20 Reg. A, $14.93 Priority, $14.93	Small, $5.00 Reg. B, $6.88 Med., $10.50 Large, $14.20 Reg. A, $19.47 Priority, $19.47	Small, $5.00 Reg. B, $8.06 Med., $10.50 Large, $14.20 Reg. A, $23.87 Priority, $23.87	Small, $5.00 Med., $10.50 Reg. B, $10.51 Large, $14.20 Reg. A, $33.09 Priority, $33.09	Small, $5.00 Med., $10.50 Reg. B, $12.29 Large, $14.20 Reg. A, $37.89 Priority, $37.89	Small, $5.00 Med., $10.50 Reg. B, $13.12 Large, $14.20 Reg. A, $40.93 Priority, $40.93	Small, $5.00 Med., $10.50 Large, $14.20 Reg. B, $14.62 Reg. A, $46.84 Priority, $46.84
20	Small, $5.00 Reg. B, $5.81 Med., $10.50 Large, $14.20 Reg. A, $15.55 Priority, $15.55	Small, $5.00 Reg. B, $6.88 Med., $10.50 Large, $14.20 Reg. A, $19.72 Priority, $19.72	Small, $5.00 Reg. B, $8.06 Med., $10.50 Large, $14.20 Reg. A, $24.32 Priority, $24.32	Small, $5.00 Med., $10.50 Reg. B, $10.51 Large, $14.20 Reg. A, $33.67 Priority, $33.67	Small, $5.00 Med., $10.50 Reg. B, $12.29 Large, $14.20 Reg. A, $38.85 Priority, $38.85	Small, $5.00 Med., $10.50 Reg. B, $13.12 Large, $14.20 Reg. A, $42.44 Priority, $42.44	Small, $5.00 Med., $10.50 Large, $14.20 Reg. B, $14.62 Reg. A, $49.02 Priority, $49.02
21-70	Small, $5.00 Med., $10.50 Large, $14.20 Reg. B, $16.07+ Reg. A, $16.07+ Priority, $16.07+	Small, $5.00 Med., $10.50 Large, $14.20 Reg. B, $20.00+ Reg. A, $20.00+ Priority, $20.00+	Small, $5.00 Med., $10.50 Large, $14.20 Reg. B, $24.67+ Reg. A, $24.67+ Priority, $24.67+	Small, $5.00 Med., $10.50 Large, $14.20 Reg. B, $34.21+ Reg. A, $34.21+ Priority, $34.21+	Small, $5.00 Med., $10.50 Large, $14.20 Reg. B, $39.45+ Reg. A, $39.45+ Priority, $39.45+	Small, $5.00 Med., $10.50 Large, $14.20 Reg. B, $43.12+ Reg. A, $43.12+ Priority, $43.12+	Small, $5.00 Med., $10.50 Large, $14.20 Reg. B, $50.11+ Reg. A, $50.11+ Priority, $50.11+