Choosing between USPS and FedEx depends on your package size, delivery urgency, and budget. Here's how they stack up across every metric that matters.
Pricing Comparison
| Weight | USPS Ground Advantage | FedEx Ground | Winner |
|---|---|---|---|
| 1 lb | $4.75 – $6.50 | $8.50 – $10.00 | USPS |
| 5 lbs | $8.00 – $12.00 | $10.00 – $14.00 | USPS |
| 10 lbs | $12.00 – $18.00 | $13.00 – $17.00 | Tie |
| 20 lbs | $18.00 – $28.00 | $16.00 – $24.00 | FedEx |
| 50 lbs | $35.00 – $55.00 | $28.00 – $42.00 | FedEx |
USPS consistently wins for lightweight packages under 10 lbs, especially with flat rate options. FedEx becomes more competitive for heavier shipments and offers better volume discounts for businesses.
Delivery Speed
| Service Level | USPS | FedEx |
|---|---|---|
| Overnight | Priority Mail Express (1–2 days) | FedEx Overnight (next day) |
| Express | Priority Mail (1–3 days) | FedEx 2Day (2 days) |
| Ground | Ground Advantage (2–5 days) | FedEx Ground (1–5 days) |
| Economy | Ground Advantage (2–5 days) | FedEx Ground Economy (2–7 days) |
Package Size & Weight Limits
USPS accepts packages up to 70 lbs and 130 inches combined length and girth. FedEx accepts packages up to 150 lbs and 165 inches. For oversized shipments, FedEx is the clear winner.
Tracking & Insurance
Both carriers offer free tracking on all shipments. USPS includes up to $100 in insurance on Priority Mail; FedEx includes $100 on most services. Additional insurance is available from both at comparable rates.
Which Should You Choose?
Choose USPS for lightweight packages, residential deliveries, and the best rates on small shipments. Choose FedEx for heavy packages, business-to-business deliveries, time-definite overnight service, and oversized items. AllPost lets you compare real-time rates from both carriers in seconds.