Packages come in all shapes and sizes. In this article, you'll find the service levels offered for three of our most commonly-used carriers.
USPS Service Levels
Service |
Weight limit |
Cost |
ETA |
First-Class Package* | 15.9 oz | $ | 5 days |
First Class Package International** | 4 lb | $ | 15 days |
Priority Mail | 70 lb | $$ | 2 days |
Priority Mail International | 70 lb | $$ | 8 days |
Priority Mail Express | 70 lb | $$$ | 1 day |
Priority Mail Express International | 70 lb | $$$ | 4 days |
Parcel Select Ground (also known as Parcel Select - Nonpresort) | 70 lb | $ | 7 days |
Note: The USPS technology (ePostage) used by Shippo does not currently support the use of Media Mail, Library Mail, First Class Flats, or Letter Rates. |
For USPS First-Class Package:
- Maximum weight: 16 ounces – Price based on weight and zone
- Size Requirements:
- Minimum Size: For mailability, all pieces ¼ inch thick or less must be a minimum of 5 inches in length, 3½ inches in height, and 0.007 inch in thickness
- Maximum Size: 22 inches in length, 18 inches in width, 15 inches in thickness
For USPS First Class Package International:
- Maximum weight: 4 lb
- Size Requirements:
- Minimum length: 6 inches.
- Minimum height: 4 inches.
- Maximum length: 24 inches. Length is the longest dimension.
- Maximum length, height, and depth (thickness) combined: 36 inches.
FedEx Service Levels
Note: With our FedEx Platform Account, you can access the following service levels: FedEx Ground Economy and FedEx International Connect Plus (FICP). Please note that these services are only available for shipments originating from the United States. Other service levels are only available with personal FedEx accounts. |
Service |
Weight limit |
Cost |
ETA |
FedEx Ground Economy | 70 lb | $ | 2-7 days |
FedEx International Connect Plus (FICP) | 70 lb | $$ | 2-5 days |
Express Saver | 150 lb | $ | 3 days |
2 Day / 2 Day AM | 150 lb | $$ | 2 days |
Standard Overnight | 150 lb | $$$ | 1 day |
First Overnight | 150 lb | $$$ | 1 day |
Priority Overnight | 150 lb | $$$ | 1 day |
Home Delivery (same service as Ground, but for deliveries to residential addresses) | 150 lb | $ | 2 days |
Ground (same service as Home Delivery, but for deliveries to business addresses) | 150 lb | $ | 2 days |
International Economy | 150 lb | $ | 7 days |
International Priority | 150 lb | $$ | 3 days |
International First | 150 lb | $$$ | 1 day |
Smartpost | 70 lb | $ | 5 days |
UPS Service Levels
Service |
Weight limit |
Cost |
ETA |
Ground | 150 lb | $ | 3 days |
3 Day Select | 150 lb | $ | 3 days |
2nd Day Air | 150 lb | $$ | 2 day |
2nd Day Air AM | 150 lb | $$ | 1 day |
Next Day Air Saver | 150 lb | $$$ | 1 day |
Next Day | 150 lb | $$$ | 1 day |
Next Day AM | 150 lb | $$$ | 1 day |
(International) Expedited | 150 lb | $ | 4 days |
(International) Saver | 150 lb | $ | 3 days |
(International) Express | 150 lb | $$ | 2 days |
(International) Express Plus | 150 lb | $$$ | 1 day |
Mail Innovations | 70 lb | $ | 7 days |