# item.guide
Side-by-Side Comparison Luggage & Travel

Checked Luggage vs. Personal Item & Duffel

Comparing 2 standards across 16 specifications. 16 key differences identified.

Comparing:
Checked Luggage
Personal Item & Duffel

Standard airline checked baggage is governed by the universal 62 linear inch rule (Length + Width + Height ≤ 158 cm) with a standard economy weight limit of 50 lbs (23 kg) and an oversized/heavy maximum limit of 70 lbs (32 kg).

View full Checked Luggage spec sheet →

Airline personal items must fit underneath the seat in front, standardized to 18 × 14 × 8 inches (45 × 35 × 20 cm) in the US and 40 × 20 × 25 cm on European ultra-low-cost carriers, corresponding to 20–25 liter daypacks and 40–50 liter weekender duffels.

View full Personal Item & Duffel spec sheet →

Specification Comparison Table

16 Parameters
Parameter / Spec
Governing Standard
IATA Recommended Practice 1724 / Commercial Airline Tariffs
Universal Size Limit
62.0 linear inches (157.5 cm) total Length + Width + Height
Standard Medium Checked Bag (24-26")
26 × 18 × 10.5 inches (66 × 46 × 27 cm) | 54.5 linear in | 60–75 L
Standard Large Checked Bag (28-30")
30 × 20 × 12 inches (76 × 51 × 30 cm) | 62.0 linear in | 95–115 L
Standard Weight Allowance (Economy)
50.0 lbs (23.0 kg)
Business / First Class Allowance
70.0 lbs (32.0 kg)
Absolute Maximum Weight Cap (Baggage Handler Safety)
70.0 lbs (32.0 kg) | Above 32kg must ship as cargo
Oversized Baggage Threshold
> 62 linear inches up to 115 linear inches (subject to excess fee)
Governing Dimension
Underseat stowage envelope (L × W × H)
US Major Airline Personal Item (Delta, United, AA)
18 × 14 × 8 inches (45 × 35 × 20 cm) | ~20–25 L
Ryanair Underseat Bag (Free Tier)
40 × 20 × 25 cm (15.7 × 7.8 × 9.8 in) | 20 L
EasyJet Underseat Bag (Free Tier)
45 × 36 × 20 cm (17.7 × 14.2 × 7.8 in) | 30 L
Small Daypack Volume
15 to 22 Liters | Fits under all commercial airline seats
Weekender Duffel (Carry-On Max)
40 to 50 Liters (20–22 × 11–12 × 10–11 in)
Expedition Duffel (Checked Only)
70 to 120 Liters (26–32 × 15–18 × 14–16 in)
Underseat Usable Height Clearance
8.0 to 9.5 inches (reduced on aisle seats due to entertainment electronics)