For 2026 travelers, 62 linear inches refers to the standard maximum size limit for checked luggage on most commercial airlines without incurring an "oversized" fee. To calculate this, you simply add the total of the exterior dimensions: Length + Width + Height (including handles and wheels). For example, a suitcase that is 30 inches tall, 20 inches wide, and 12 inches deep equals exactly 62 linear inches. If your bag exceeds this total, you could face steep penalties, sometimes ranging from $100 to $200 per flight. In 2026, many luggage manufacturers design their "large" check-in bags to sit exactly at 61 or 62 inches to maximize packing space while remaining compliant. Always measure your bag after it is fully packed, as bulging sides can push a "compliant" bag into the oversized category during a strict gate check.