Checked luggage sizes
The largest suitcase most airlines accept without an oversize fee measures 62 linear inches (158 cm), counting length + width + height. That is about a 29 to 30 inch suitcase.
Enter all three dimensions to see results.
Airlines that accept this bag
Airlines that won’t accept it
* guideline, not published
Checked suitcase sizes
| Typical size | in | cm | Height |
|---|---|---|---|
| Personal item | 16 × 12 × 6 | 40 × 30 × 15 | max 18 in / 45 cm |
| Carry-on | 22 × 14 × 9 | 56 × 36 × 23 | 20-22 in / 51-56 cm |
| Medium checked | 25 × 17 × 10 | 64 × 43 × 25 | 23-26 in / 58-66 cm |
| Large checked | 29 × 20 × 12 | 74 × 51 × 30 | 27-30 in / 69-76 cm |
| Common checked-bag limit | 62 (L+W+D), 50 lb | 158 (L+W+D), 23 kg |
Largest suitcase size allowed
At 62 linear inches, a large suitcase of about 29 × 20 × 12 in (74 × 51 × 30 cm) is right at the limit. Bags over 62 in pay an oversize fee, often $200 on US airlines.
Large vs medium checked luggage
A large checked suitcase is 27 to 30 in tall and suits two weeks of travel. A medium suitcase is 23 to 26 in and suits a week. Large bags reach the 50 lb weight limit quickly.
How to measure
Measure the outside, including wheels and handles, and add the three sides together. Soft bags grow when packed full.
Frequently asked questions
What is the largest suitcase size allowed on airlines?
62 linear inches (158 cm), length + width + height, on most airlines. That is about a 29 to 30 inch suitcase.
What size is a large checked suitcase?
Usually 27 to 30 inches tall, about 29 × 20 × 12 in (74 × 51 × 30 cm).
What size is a medium checked suitcase?
Usually 23 to 26 inches tall, about 25 × 17 × 10 in (64 × 43 × 25 cm).