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Bag size guide

Which airlines allow a 55 x 40 x 25 cm bag?

55 x 40 x 25 cm · 21.7 x 15.7 x 9.8 in

55 x 40 x 25 cm equals 21.7 x 15.7 x 9.8 in. Below are source-matched airline rules that publish exactly this limit, followed by rules a bag this size fits inside.

Official sources behind this size

This page is calculated from 4 official source links for airlines publishing this exact size. Latest source match: Aug 9, 2026.

Airlines that publish exactly 55 x 40 x 25 cm

Carry-on

  • TAP Air Portugal

    Economy / Economy Prime / Business by route

    Weight
    Max 10 kg
    Last checked
    Aug 7, 2026
  • ANA

    International flights

    Weight
    Max 10 kg
    Last checked
    Aug 7, 2026
  • Japan Airlines

    International flights

    Weight
    Max 10 kg
    Last checked
    Aug 9, 2026
  • Transavia

    Cabin bag add-on / eligible fare

    Weight
    Varies by fare
    Last checked
    Aug 9, 2026
  • Volotea

    Priority / Megavolotea

    Weight
    Varies by fare
    Last checked
    Aug 9, 2026
  • Corendon Airlines

    Eligible fare / Promo and Lite add-on

    Weight
    Varies by fare
    Last checked
    Aug 9, 2026
  • Allegiant Air

    Paid carry-on

    Weight
    Varies by fare
    Last checked
    Aug 7, 2026

Common questions before you pack

7 source-matched airline rules publish exactly 55 x 40 x 25 cm as a cabin limit, and the same bag fits inside 11 more published rules. The tables list fare, weight, source and match date.

55 x 40 x 25 cm is 21.7 x 15.7 x 9.8 in. Airlines round conversions differently, so always compare in the unit the airline itself publishes.

Sometimes — limits are checked edge by edge, and rotating the bag can help. Enter your exact measurements in the checker; any edge within 1 cm of a limit should be treated as a gamble at the sizer.