USPS mailing prices and cost breakdown for shipping. The data and tables below show current and historical USPS pricing changes in USD. Prices are updated automatically whenever they change.
USPS Pricing Changes
USPS Price History Tabs
July 20, 2025 USPS Pricing
As of July 20, 2025, the pricing plans for USPS are as follows:
| Type | Description / Size | Price (USD) |
|---|---|---|
| Flat Rate Envelope | 12-1/2" x 9-1/2" | $31.40 |
| Legal Flat Rate Envelope | 15" x 9-1/2" | $31.65 |
| Padded Flat Rate Envelope | 12-1/2" x 9-1/2" | $32.25 |
| Priority Mail - Flat Rate Envelope | 12-1/2" x 9-1/2" or smaller | $11.00 |
| Priority Mail - Legal Flat Rate Envelope | 15" x 9-1/2" | $11.20 |
| Priority Mail - Padded Flat Rate Envelope | 12-1/2" x 9-1/2" | $11.95 |
| Small Flat Rate Box | Inside: 8-5/8" x 5-3/8" x 1-5/8" Outside: 8-11/16" x 5-7/16" x 1-3/4" |
$11.70 |
| Medium Flat Rate Boxes |
Inside: 11" x 8-1/2" x 5-1/2" Outside: 11-1/4" x 8-3/4" x 6" Inside: 13-5/8" x 11-7/8" x 3-3/8" Outside: 14-1/8" x 12" x 3-1/2" |
$21.05 |
| Large Flat Rate Box |
Inside: 12” x 11-3/4" x 5-1/2" Outside: 12-1/4" x 12" x 6" |
$29.95 |
| APO/FPO/DPO Flat Rate Box |
Inside: 12" x 11-3/4" x 5-1/2" Outside: 12-1/4" x 12" x 6" |
$28.70 |
View detailed USPS July 2025 Prices.
