Tom Bihn Paradigm

Tom Bihn

Paradigm

Tom Bihn Paradigm is a 9L, 0.51kg1.1lb travel backpack measuring 32.5×25×19.5cm13×10×7.5in. It fits the carry-on size limit of 36 of 36 major airlines and the personal-item limit of 15 of 26. Under the seat, its 19.5cm7.7in side is over the 15cm5.9in limit at 6 of the 11 airlines it misses. Specs from tombihn.com, checked September 2026.

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Volume
9Lfixed size
Weight
0.51kg1.1lb1.1lb0.51kg
Carry-on
36/36airlines fit it
Personal item
15/26under-seat limits
Dimensions
32.5×25×19.5cm13×10×7.5in 13×10×7.5in32.5×25×19.5cm
Price
$170 as of September 2026
Laptop
no laptop sleeve
Opening
n/a
Warranty
Lifetime Fixes faults free of charge, wear and tear repairs are done at a reasonable charge.
Compartments
n/a
Bottle pockets
n/a

Price history

$170 at every weekly check since Oct 5, 2026 (3 checks).

Checked weekly on the brand's US store.

    Material: 420d UHMWPE/nylon Spectron ripstop exterior, bluesign certified 210d Cerylon ripstop interior, closed-cell foam back panel

    • Smaller sibling of the Paramour
    • Padded device sleeve for a tablet or e-reader (max 280 x 180 x 17 mm)
    • 3D front pocket with three sections
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    Last checked: 2026-09. Prices and specs may have changed.

    Does the Tom Bihn Paradigm fit airline carry-on limits?

    Front259.832.512.8Side19.57.7
    Fits under the seatFits under the seat on Ryanair. cabin bag 55×40×20cm21.5×15.5×8in · under the seat 40×30×20cm15.5×12×8in. Bag in cminches, turned to fit.
    AirlineCarry-onPersonal itemCabin-bag weight
    Air ArabiaTight fit (0.5cm spare)Tight fit (0.2in spare)Tight fit (no spare)Tight fit (no spare)6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
    Air CanadaCabin bag not on every fareFitsFitsToo bigToo bigNo published limitNo published limit
    Air FranceCabin bag not on every fareFitsFitsToo bigToo big11.5kg to pack (of 12kg shared with personal item)25.4lb to pack (of 26.5lb shared with personal item)
    Air IndiaTight fit (0.5cm spare)Tight fit (0.2in spare)No published limit6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
    AirAsiaFitsFitsToo bigToo big6.5kg to pack (of 7kg shared with personal item)14.3lb to pack (of 15.4lb shared with personal item)
    Alaska AirlinesFitsFitsNo published limitNo published limitNo published limit
    Allegiant AirCabin bag not on every fareFitsFitsTight fit (0.5cm spare)Tight fit (0.2in spare)No published limitNo published limit
    American AirlinesFitsFitsTight fit (0.5cm spare)Tight fit (0.2in spare)No published limitNo published limit
    ANA (All Nippon Airways)FitsFitsTight fit (0.5cm spare)Tight fit (0.2in spare)9.5kg to pack (of 10kg shared with personal item)20.9lb to pack (of 22lb shared with personal item)
    AviancaCabin bag not on every fareFitsFitsNo published limit9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
    British AirwaysFitsFitsTight fit (0.5cm spare)Tight fit (0.2in spare)No published limitNo published limit
    Cebu PacificFitsFitsToo bigToo big9.5kg to pack (of 10kg shared with personal item)20.9lb to pack (of 22lb shared with personal item)
    Delta Air LinesFitsFitsNo published limitNo published limitNo published limit
    easyJetCabin bag not on every fareFitsFitsTight fit (0.5cm spare)Tight fit (0.2in spare)14.5kg to pack (of 15kg)32lb to pack (of 33.1lb)
    EmiratesFitsFitsNo published limit6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
    Frontier AirlinesCabin bag not on every fareFitsFitsTight fit (0.5cm spare)Tight fit (0.2in spare)15.4kg to pack (of 15.9kg)34lb to pack (of 35.1lb)
    Gol Linhas AereasFitsFitsNo published limit9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
    IndiGoFitsFitsNo published limit6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
    JetBlue AirwaysFitsFitsTight fit (0.5cm spare)Tight fit (0.2in spare)No published limitNo published limit
    KLMCabin bag not on every fareFitsFitsToo bigToo big11.5kg to pack (of 12kg shared with personal item)25.4lb to pack (of 26.5lb shared with personal item)
    LATAM AirlinesFitsFitsTight fit (0.5cm spare)Tight fit (0.2in spare)11.5kg to pack (of 12kg)25.4lb to pack (of 26.5lb)
    LufthansaCabin bag not on every fareFitsFitsToo bigToo big7.5kg to pack (of 8kg)16.5lb to pack (of 17.6lb)
    Norwegian Air ShuttleCabin bag not on every fareFitsFitsTight fit (0.5cm spare)Tight fit (0.2in spare)9.5kg to pack (of 10kg shared with personal item)20.9lb to pack (of 22lb shared with personal item)
    QantasFitsFitsNo published limit6.5kg to pack (of 7kg shared with personal item)14.3lb to pack (of 15.4lb shared with personal item)
    Qatar AirwaysFitsFitsNo published limit6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
    RyanairCabin bag not on every fareTight fit (0.5cm spare)Tight fit (0.2in spare)Tight fit (0.5cm spare)Tight fit (0.2in spare)9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
    SASFitsFitsToo bigToo big7.5kg to pack (of 8kg)16.5lb to pack (of 17.6lb)
    Singapore AirlinesFitsFitsToo bigToo big6.5kg to pack (of 7kg)14.3lb to pack (of 15.4lb)
    Southwest AirlinesFitsFitsNo published limitNo published limitNo published limit
    Turkish AirlinesFitsFitsToo bigToo big7.5kg to pack (of 8kg)16.5lb to pack (of 17.6lb)
    United AirlinesCabin bag not on every fareFitsFitsTight fit (no spare)Tight fit (no spare)No published limitNo published limit
    Vietjet AirFitsFitsToo bigToo big6.5kg to pack (of 7kg shared with personal item)14.3lb to pack (of 15.4lb shared with personal item)
    VolarisCabin bag not on every fareFitsFitsTight fit (0.5cm spare)Tight fit (0.2in spare)9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
    VuelingCabin bag not on every fareTight fit (0.5cm spare)Tight fit (0.2in spare)Tight fit (0.5cm spare)Tight fit (0.2in spare)9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)
    WestJetCabin bag not on every fareFitsFitsToo bigToo bigNo published limitNo published limit
    Wizz AirCabin bag not on every fareFitsFitsTight fit (0.5cm spare)Tight fit (0.2in spare)9.5kg to pack (of 10kg)20.9lb to pack (of 22lb)

    Compared in any orientation against each airline's published size limit. A tight fit has under 2cm to spare, so a packed soft bag may not pass a sizer. Set it to 0 to turn the warning off. Weight is what the airline allows in the cabin minus this bag's empty 0.51kg1.1lb. Limits and sources. Own a different bag? Check it against every airline.

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