Oversize Package
An oversize package is a parcel whose length, or combined length and girth, exceeds a carrier's standard size limits, triggering large package surcharges and minimum billable weights.
Why it matters for ecommerce brands
Crossing a carrier's size limits can cost more than the shipping itself, so oversize rules shape packaging and even product design for bulky goods. UPS and FedEx generally treat a package as large when its length exceeds 96 inches or length plus girth exceeds 130 inches, which adds a surcharge and a minimum billable weight. For example, a 60 × 20 × 15 inch box measures exactly 130 inches. One more inch of width makes it 132 and pushes it over the line, so trimming packaging can avoid the surcharge.
Formula and calculator
Length + girth = L + 2W + 2H
Common questions
- How do you calculate length plus girth?
- Measure the longest side as length, then add twice the width and twice the height. The total is compared with the carrier's size limits.
- What is the largest package UPS and FedEx accept?
- Both generally cap standard parcel services at 150 pounds, 108 inches in length, and 165 inches of length plus girth. Larger items need freight services.
- How can I avoid oversize surcharges?
- Measure the packed product, not the item, and look for packaging that brings length plus girth under the limit. For items that cannot fit, compare LTL or white glove quotes with parcel rates plus surcharges.