Luggage Volume Calculator

Calculate luggage linear inches and volume in liters. Check compliance with airline size limits for carry-on, checked, and personal item bags across American, Delta, United, Southwest, British Airways, and Emirates.

in
in
in
Linear Inches
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Volume (liters) —
Bag Category —
Extended More scenarios, charts & detailed breakdown ▾
in
in
in
Linear Inches
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Volume (liters) —
Compliant? —
Professional Full parameters & maximum detail ▾
in
in
in
lbs
Linear Inches
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Volume (liters) —
Size Compliant? —
Weight Compliant? —

How to Use This Calculator

  1. Enter length, width, and height in inches.
  2. See linear inches, volume in liters, and size category.
  3. Use Carry-On tab to check against a specific airline limit.
  4. Switch to Professional for full size and weight check across 6 airlines.

Formula

Linear Inches = L + W + H
Volume (liters) = L × W × H × 0.016387

Example

22×14×9 carry-on: linear = 45 in, volume = 36.2 L → fits American, Delta, United, JetBlue standard limits.

Frequently Asked Questions

  • Linear inches = length + width + height. US carriers allow checked bags up to 62 linear inches and carry-ons up to 45 linear inches. Oversize bags incur $100–$200 fees each way.
  • Most US carriers allow 22×14×9 inches including wheels and handles. Southwest allows 24×16×10. Always measure with wheels and handles compressed.
  • A standard 22×14×9 carry-on holds ~36–40 liters. A weekend bag is ~20–30L; a 27×20×14 checked bag is ~100L.
  • Most US airlines allow ~18×14×8 inches. Basic economy tickets enforce this strictly and may charge $50–$75 if the item is oversized.

Related Calculators

Sources & References (5) ▾
  1. TSA Carry-On Baggage Information — TSA
  2. IATA Cabin Baggage Programme — IATA
  3. American Airlines Baggage Policy — American Airlines
  4. US DOT Aviation Consumer Protection — Baggage — US DOT
  5. Delta Air Lines Carry-On Requirements — Delta Air Lines