USPS Shipping Calculator

USPS postage calculator. Compare USPS shipping costs for Priority Mail, Ground Advantage, flat rate boxes, and international services. Find the cheapest USPS option or buy discounted USPS labels at up to 70% off.

Origin

Destination

Weight

Domestic Services

ServiceDaysFeatures
Express1-2

Overnight to most locations, 10:30 AM delivery guarantee, money-back guarantee, $100 insurance included, flat rate envelopes

Priority1-3

Free pickup, flat rate boxes and envelopes, $100 insurance included, Saturday delivery, free USPS packaging

Ground Advantage2-5

Free pickup, $100 insurance included, tracking, up to 70 lbs, no fuel surcharges

International Services

ServiceDaysFeatures
Express International3-5

Flat rate envelope, $200 insurance included, international tracking, date-certain delivery

Priority International6-10

Flat rate envelopes and boxes, $100 insurance included, free USPS packaging, tracking

First-Class International7-21

Up to 4 lbs, lowest cost international option, tracking varies by country

Why Compare USPS Shipping Rates

USPS is often the cheapest way to ship lightweight packages, with free pickup and no fuel surcharges. Use our USPS shipping calculator to compare USPS postage rates against UPS, FedEx, and DHL, or buy discounted USPS labels directly.

  • USPS Ground Advantage: 2-5 day delivery starting under $5, with free pickup and $100 insurance
  • USPS flat rate boxes and envelopes — ship up to 70 lbs for one fixed price regardless of distance
  • USPS Priority Mail: 1-3 day delivery with Saturday delivery, free USPS shipping boxes, and $100 insurance
  • No fuel surcharges, residential delivery fees, or delivery area surcharges on any USPS service
  • Delivers to every US address including PO boxes and military APO/FPO
  • USPS international shipping: Priority Mail International, Express International, and First-Class International to 200+ countries
  • Buy discounted USPS shipping labels — save on Priority Mail and Ground Advantage vs retail USPS postage rates

Print USPS Shipping Labels for Less

USPS labels at up to 70% off retail

Savings vary by carrier, service, and destination.

USPS Shipping FAQ

How much does USPS shipping cost?

USPS shipping costs depend on package weight, dimensions, distance, and service level. Priority Mail starts around $8 for small packages, while USPS Ground Advantage starts under $5. Use our USPS shipping calculator above to get an instant rate estimate, or buy discounted USPS labels at up to 70% off.

What are USPS flat rate boxes?

USPS flat rate boxes let you ship any weight up to 70 lbs for a fixed price regardless of distance. Priority Mail offers Small, Medium, and Large Flat Rate Boxes plus Flat Rate Envelopes. The packaging is free from USPS. Priority Mail International also offers flat rate boxes for international shipping.

What is USPS Ground Advantage?

USPS Ground Advantage is a 2-5 business day shipping service that replaced First-Class Package Service, Retail Ground, and Parcel Select Ground. It covers packages from 0 oz to 70 lbs, includes free package pickup, $100 of insurance, and tracking. It is typically the lowest-cost USPS option for non-urgent shipments.

How fast is USPS Priority Mail?

USPS Priority Mail delivers in 1-3 business days to most domestic destinations. It includes Saturday delivery at no extra charge, free pickup from your address, and $100 of insurance. Priority Mail Express is faster, delivering overnight to most locations with a 10:30 AM delivery guarantee and money-back guarantee.

How much does USPS overnight shipping cost?

USPS Priority Mail Express is the USPS overnight shipping option, delivering in 1-2 business days with a 10:30 AM delivery guarantee and money-back guarantee. Costs depend on weight, dimensions, and distance. USPS also offers flat rate envelopes for overnight shipping at a fixed price. Use our USPS shipping calculator to compare Priority Mail Express rates with UPS and FedEx overnight options.

Does USPS offer free package pickup?

Yes. USPS offers free Package Pickup for Priority Mail Express, Priority Mail, and Ground Advantage shipments. You can schedule a pickup online and your mail carrier will pick up packages from your address at no additional charge. This is a significant advantage over UPS and FedEx, which typically charge for scheduled pickups.

Can I ship internationally with USPS?

Yes. USPS offers three international shipping services: Priority Mail Express International (3-5 days, $200 insurance included), Priority Mail International (6-10 days, flat rate boxes available), and First-Class Package International Service (7-21 days, up to 4 lbs). USPS international shipping does not have fuel surcharges, unlike UPS and FedEx.

What is USPS Click-N-Ship?

USPS Click-N-Ship is the official USPS online tool for buying and printing postage labels from your computer. Our shipping calculator offers an alternative — compare USPS rates against UPS, FedEx, and DHL before purchasing, and buy discounted USPS labels at up to 70% off retail. Like Click-N-Ship, our labels include tracking and can be printed at home.

Is the USPS shipping calculator free?

Yes. Our USPS postage calculator is free for all users. Enter your origin and destination ZIP codes along with your package weight to instantly compare USPS Priority Mail, Ground Advantage, and flat rate box pricing. To buy discounted USPS shipping labels, subscribe to our Business plan at $4.99/month.

Can I buy discounted USPS shipping labels here?

Yes. Business plan subscribers ($4.99/month) can buy discounted USPS Priority Mail, Priority Mail Express, and Ground Advantage shipping labels directly on our site. Save on USPS shipping vs retail costs. Labels include tracking and are ready to print immediately.

How much does USPS flat rate shipping cost?

USPS flat rate box and envelope prices are fixed regardless of weight (up to 70 lbs) or distance. Priority Mail Flat Rate Envelopes start around $8.70, Small Flat Rate Boxes around $10.40, Medium around $16.10, and Large around $22.80 at retail. USPS provides free boxes and envelopes for flat rate shipments — order them at usps.com. Our USPS shipping calculator shows flat rate pricing alongside weight-based rates so you can compare.