Travel & Luggage calculator
What Cabin Bag Size Do I Need?
Enter bag height, bag width, and bag depth to work out cabin bag fit.
Enter your measurements
This page is built for one question: what cabin bag size do i need? Supply bag height, bag width, and bag depth, then use the returned cabin bag fit to screen unsuitable options.
- Bag height — Required
- Bag width — Required
- Bag depth — Required
- Airline cabin-bag height limit — Required
- Width limit — Required
- Depth limit — Required
- External wheels/handles allowance — Optional
Cabin bag fit
Enter the measurements above to calculate cabin bag fit.
How the calculation works
V12 calculation: externalBagHeight=bagHeight+wheelHandleAllowance; heightPass=externalBagHeight≤airlineHeight; widthPass=bagWidth≤airlineWidth; depthPass=bagDepth≤airlineDepth; overallPass=heightPass AND widthPass AND depthPass. This is the implementation specification for this calculator.
Worked example
Example: Bag height = 88.74 cm; Bag width = 24.63 cm; Bag depth = 99.01 cm; Airline cabin-bag height limit = 103.71 cm; Width limit = 53.88 cm; Depth limit = 106.6 cm; External wheels/handles allowance = 8.48 cm. Result: Fits; Depth Pass = Pass; Width Pass = Pass; Height Pass = Pass.
Before you decide
Recheck the limiting measurement before purchase or installation. This page calculates the stated geometry or quantity only; product-specific construction or installation details can still affect the final choice. For what cabin bag size do i need, the limiting result on this page is cabin bag fit.
Direct measurement/geometry calculation. No external reference is required for the arithmetic itself; the result is derived only from the user-entered measurements and the formula stored in calculationLogicJson.
Frequently asked questions
What does the Cabin Bag Size calculator tell me?
It returns cabin bag fit from the measurements entered on this page. The calculation is specific to cabin bag size, so the result should be compared with the exact product or specification you are considering.
Which measurements should I take for cabin bag size?
Measure bag height, bag width, bag depth, airline cabin-bag height limit, width limit, depth limit, external wheels/handles allowance. Use clear, usable dimensions rather than nominal room or product labels.
Should I round the cabin bag fit?
Keep the calculated value for comparison, then choose a real product that meets or stays within the returned cabin bag fit while allowing for the clearances, tolerances or ratings shown by its manufacturer.