United Kingdom · Major AirlineUpdated 2026 Guidelines

British Airways Baggage Size & Fee Limits

Planning to fly with British Airways? Standard carry-on dimensions are strictly set at 22x18x10 inches. Before you head to the gate, enter your luggage measurements below to see if your bag is safe from extra sizer charges.

Calculator included Official British Airways limits Verified Q3 2026

British Airways Sizer Limits Overview

Major Carrier

Personal Item

18 x 12 x 6 in

Under-seat bag. Generous weight limit of 23 kg (51 lbs) — must be able to lift it.

Carry-On Bag

22 x 18 x 10 in

Overhead cabin bag. British Airways has the most generous weight limit for carry-on in the industry: 23 kg (51 lbs) per bag.

Checked Bag

51 lbs (23 kg)

Standard checked bag weight is 23 kg. Club World/First allows 32 kg (70 lbs).

Can I Bring It? Sizer Calculator

Length18 in
Width14 in
Height (Thickness)8 in
Bag Weight15 lbs
Compliance Results for British Airways
Fail
Under-seat Personal Item

Too Large (Airline max is 18x12x6 in)

Pass
Overhead Cabin Carry-On

Fits overhead bin free

Alert
Checked Hold Bag

Oversized fee applies (Exceeds 35 linear inches)

Estimated Baggage Fee:$0

Detailed Luggage Guidelines

Here is the full breakdown of size sizer dimensions, weight caps, and carry-on/checked bag policies.

Luggage TypeMaximum Size (Inches)Maximum Size (Metric)Weight CapStandard Cost
Personal Item18 x 12 x 6 in40 x 30 x 15 cm51 lbs (23 kg)FREE (Fits under seat)
Carry-On Bag22 x 18 x 10 in56 x 45 x 25 cm51 lbs (23 kg)Free for all ticket types, including Basic Economy
1st Checked BagMax 35 linear inchesMax 89 linear cmMax 51 lbs$35 USD
Pro-Tip for British Airways Travelers

British Airways allows a total of 46 kg (102 lbs) of carry-on weight across your personal item and cabin bag (23 kg each). This is a massive cost-saver for moving heavy household items or books internationally.

Best bag selection: Choose a sturdy hardshell spinner (22x18x10") to withstand packing up to 51 lbs of weight safely.

Baggage Penalty & Excess Fees

Exceeding either sizer dimensions or weight caps will result in extra charges at check-in or boarding gates.

Fee CategoryDomestic US RateDetails
1st Checked Bag Fee$35Basic economy fares do not include a checked bag. Regular Economy includes 1 free bag. Adding a bag to Basic Economy costs £30 - £50 online.
2nd Checked Bag Fee$55Standard rate for economy passengers.
Overweight Charge$75Applies if the bag exceeds standard weight caps (e.g. 50 lbs / 23 kg).
Oversized Charge$75Applies if the bag linear dimensions exceed 35 inches.

For more details or to pre-book excess luggage allowances online, visit the official British Airways Baggage Page.

Frequently Asked Questions

What is the maximum baggage size sizer for British Airways in 2026?+
Your carry-on bag must measure within 22x18x10 in (including wheels and handles) to fit into British Airways's overhead bin sizers. Your personal item must fit within 18x12x6 in to go under the seat in front of you.
What happens if my cabin bag exceeds the British Airways sizer?+
If your luggage exceeds sizer limits at the boarding gate, you will be charged a gate check fee. For British Airways, this can range up to $65 and the bag will be checked into the hold.
How much does a checked bag cost on British Airways?+
A standard 50 lbs (23 kg) checked bag on British Airways costs $35 if checked in. Low-cost tickets may charge extra. Booking your bags online 24 hours prior to departure is always cheaper than purchasing at the airport counter.