Linear Inches Calculator

Calculate the total linear inches of luggage or packages to check airline and shipping size limits.

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Linear Inches Calculator
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About Linear Inches Calculator

The Linear Inches Calculator is a practical, travel-friendly tool designed to help you instantly calculate the total dimensions of a bag or package using the linear inch formula. It’s especially helpful for anyone preparing for a flight, shipping a parcel, or trying to avoid oversized baggage fees.

Airlines and shipping companies often define size limits in terms of linear inches—which is simply the sum of a bag’s length, width, and height. For example, most airlines allow checked luggage up to 62 linear inches and carry-ons up to 45 linear inches. This tool helps you verify if your luggage or package meets those size requirements without needing a calculator or second-guessing measurements.

Who This Tool Helps:

  • Travelers checking carry-on and checked baggage compliance
  • Backpackers comparing gear sizes
  • Online sellers preparing parcels for USPS, FedEx, or UPS
  • Parents packing kids' luggage for trips
  • Shipping departments that need fast dimension checks

Example Scenario

You're packing a suitcase for vacation. It measures:

  • Length: 30 inches
  • Width: 20 inches
  • Height: 10 inches

The calculator adds them: 30 + 20 + 10 = 60 linear inches

Great news—it’s within the 62-inch airline limit!

 

How Linear Inches Calculator Works

Simply enter:

  • Length (inches)
  • Width (inches)
  • Height (or Depth) (inches)

The tool adds the three dimensions and returns the total linear inches. This helps you stay within airline baggage policies or shipping carrier limits.

Tip: Always measure from the bag’s widest points—including wheels or handles—for accurate results.

 

FAQs for Linear Inches Calculator

1. What are linear inches?

It’s the total of the length, width, and height of a bag or box.

2. Why do airlines use linear inches?

It’s a fast way to determine if baggage exceeds their maximum size allowance.

3. Do I need to include wheels and handles in the measurements?

Yes—airlines measure the full outer dimensions, including wheels and handles.

4. Can I use this for international flights?

Yes. Most international airlines also use linear inches or centimeters for luggage limits.

5. What if my bag is over the limit?

You may have to pay an oversize baggage fee or recheck your bag at the airport.

6. Can this tool help with shipping boxes?

Absolutely! Many couriers also use linear measurements to price or qualify packages.

Report an Issue with Linear Inches Calculator

If you encounter any issues or have suggestions for improvements, please report them using the form below.

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