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