Personal-item bag · 34 × 19 × 15 cm (13.4 × 7.5 × 5.9 in)
Fits 5 cm (2 in) to spare on the depth
40 × 30 × 20 cm under-seat bag: who uses it, and bags that fit
40 × 30 × 20 cm is 15.7 × 11.8 × 7.9 in, about 24 litres. It's the exact under-seat bag limit on Ryanair (personal item), Jet2.com (personal item), Wizz Air (personal item), TUI Airways / TUIfly (personal item), Vueling (personal item), ANA (All Nippon Airways) (personal item), Air India (personal item), Asiana Airlines (personal item), SunExpress (personal item), Norwegian (personal item), Transavia (personal item), Volotea (personal item), Aeroitalia (personal item), Luxair (personal item), Corendon Airlines (personal item), flyadeal (personal item), Flybondi (personal item), FlyOne (carry-on), Neos (personal item) and Lion Air (carry-on).
A bag "fits" here when it has at least 1 cm (0.4 in) to spare on every side, turned whichever way works. 34 of the bags we track do; another 86 are within a centimeter.
Check your bag against 40 × 30 × 20 cm
Bags that fit 40 × 30 × 20 cm
Personal-item bag (24)
Personal-item bag · 38 × 28 × 16 cm (15 × 11 × 6.3 in)
Fits 2 cm (0.8 in) to spare on the length
Personal-item bag · 36.5 × 27.5 × 17.5 cm (14.4 × 10.8 × 6.9 in)
Fits 2.5 cm (1 in) to spare on the width
Personal-item bag · 11 × 8.9 × 4.9 in (28 × 22.5 × 12.5 cm)
Fits 7.5 cm (3 in) to spare on the width
Personal-item bag · 15.2 × 11 × 5.5 in (38.5 × 28 × 14 cm)
Fits 1.5 cm (0.6 in) to spare on the length
Personal-item bag · 15.2 × 11 × 5.5 in (38.5 × 28 × 14 cm)
Fits 1.5 cm (0.6 in) to spare on the length
Personal-item bag · 15.2 × 11 × 5.5 in (38.5 × 28 × 14 cm)
Fits 1.5 cm (0.6 in) to spare on the length
Personal-item bag · 36 × 25 × 13 cm (14 × 10 × 5 in)
Fits 4 cm (1.6 in) to spare on the length
Personal-item bag · 14.5 × 10.8 × 6.8 in (36.8 × 27.3 × 17.1 cm)
Fits 2.7 cm (1.1 in) to spare on the width
Duffel / weekender (1)
Duffel / weekender · 14.5 × 9.3 × 6.8 in (36.8 × 23.5 × 17.1 cm)
Fits 2.9 cm (1.1 in) to spare on the depth
Tote (9)
Tote · 36 × 28 × 15.3 cm (14.3 × 11 × 6 in)
Fits 2 cm (0.8 in) to spare on the width
Tote · 12.2 × 11 × 5.5 in (31 × 28 × 14 cm)
Fits 2 cm (0.8 in) to spare on the width
Tote · 10.6 × 10.2 × 3.9 in (27 × 26 × 10 cm)
Fits 4 cm (1.6 in) to spare on the width
Tote · 10.6 × 10.2 × 3.9 in (27 × 26 × 10 cm)
Fits 4 cm (1.6 in) to spare on the width
Tote · 38 × 28 × 13 cm (15 × 11 × 5 in)
Fits 2 cm (0.8 in) to spare on the length
Tote · 30 × 20 × 17 cm (12 × 8 × 7 in)
Fits 3 cm (1.2 in) to spare on the depth
Tote · 38.5 × 28 × 13 cm (15.2 × 11 × 5.1 in)
Fits 1.5 cm (0.6 in) to spare on the length
Tote · 39 × 27 × 14 cm (15.4 × 10.6 × 5.5 in)
Fits 1 cm (0.4 in) to spare on the length
Tote · 39 × 28 × 16 cm (15.4 × 11 × 6.3 in)
Fits 1 cm (0.4 in) to spare on the length
Other common sizes
- 55 × 40 × 20 cm
- 45 × 36 × 20 cm
- 22 × 14 × 9 in
- 56 × 45 × 25 cm
- 18 × 14 × 8 in
- 40 × 20 × 25 cm
- 40 × 30 × 15 cm
- 50 × 40 × 20 cm
- 55 × 35 × 25 cm
- 56 × 36 × 23 cm
- 17 × 13 × 9 in
- 16 × 12 × 6 in
- 17 × 10 × 9 in
- 55 × 40 × 23 cm
- 40 × 30 × 25 cm
- 35 × 20 × 20 cm
Airline limits checked 5 October 2026; bag sizes are each brand's published dimensions. Airline staff have the final say at the gate.