Garage & Automotive Home · Sizing
Car Organisers & Boot Storage Sizes Explained
By the Nest & Yard editorial teamUpdated 2026-08-094 min read
Our pick: the K KNODEL Car Boot Storage Organiser for SUV, Van, Truck - Foldable Car Storage Organiser with Mesh Pockets, 40L Capacity, Non-Slip Bottom — the best Car Organisers & Boot Storage we tested, from £12.99.
Keeping your car tidy and organised can make a real difference to the way you drive and access your belongings. Choosing the right car organiser or boot storage solution depends largely on how much space you have available and what you need to store. This guide breaks down the different size descriptions used for these products, offering advice on measuring up and exploring options like foldable organisers and larger storage boxes – such as those from K KNODEL, ATHLON TOOLS and others found on Amazon UK – to find a perfect fit for your vehicle.
See the full range in Car Organisers & Boot Storage.

#1 Pick
K KNODEL Car Boot Storage Organiser for SUV, Van, Truck - Foldable Car Storage Organiser with Mesh Pockets, 40L Capacity, Non-Slip Bottom- 600D Oxford Polyester
- 40 litres
£12.99
Pros
- 40-litre capacity with two divided main sections
- Four mesh pockets keep smaller items separated
- Very high review count reflects consistent buyer satisfaction
Cons
- Large size may not suit compact hatchback boots

#2 Pick
K KNODEL Car Boot Organiser with Foldable Cover, Large Boot Tidy for Car, Car Boot Storage Box and Bag, Boot Organiser for Small Car and SUV- 600D Oxford
- Large, foldable cover
£33.99
Pros
- Foldable cover keeps loose items secured and hidden from view
- Slider divider creates adjustable compartments for different loads
- Reinforced 600D Oxford base holds shape when fully loaded
Cons
- Large footprint takes up a significant share of a small boot

#3 Pick
ATHLON TOOLS Car Boot Organiser - Collapsible Boot Storage Bag - Multi-Compartment Tidy for Car, Van & SUV - 600D Oxford, Non Slip Bottom- 600D Oxford Fabric
- Multi-compartment
£9.90
Pros
- Folds flat to just 4cm when not in use
- Reinforced sides keep shape when loaded
- Fastening straps stop it sliding around the boot
Cons
- Mesh side pocket is better suited to small items only

#4 Pick
K KNODEL Car Boot Organiser, Foldable Car Boot Storage, Automotive Consoles & Organisers with Reinforced Handles (Medium, Black)- 600D Oxford
- Medium
£17.99
Pros
- Reinforced carry handles make loading and unloading easier
- Collapses flat in seconds when boot space is needed
- One of the best-reviewed boot organisers on Amazon UK
Cons
- Medium size holds less than the XL organisers in the range
FAQ
What does 'Large' typically mean when referring to boot organisers?
‘Large’ generally indicates a capacity of around 35-45 litres, suitable for families with two or more children and a significant amount of sports equipment like football bags or rugby gear.
How is boot organiser size usually measured?
Boot organiser dimensions are almost always given in centimetres (cm) – typically width, height, and depth. Pay close attention to the maximum depth, as this dictates whether it will fit your boot’s sloping floor.
I only have a small hatchback - what size organiser should I consider?
For smaller hatchbacks like a Ford Fiesta or Vauxhall Corsa, you'll likely be best served by organisers around 25-35 litres; focusing on width and height to ensure it fits snugly.
My estate car has a very deep boot – what size organiser is needed?
Larger estates, such as an Audi A4 Estate or BMW 3 Series Touring, often require organisers exceeding 45 litres, specifically those with a generous depth allowance to accommodate bulky items.
What's the difference between 'Universal' and ‘Specific Fit’ boot organisers?
'Universal' organisers are designed to fit most boots, relying on adjustable straps. ‘Specific Fit’ organizers are moulded for particular vehicle models, offering a tighter, more secure fit.
How do I measure my boot space accurately?
Measure the internal width, height and depth of your boot – ensuring you're measuring from floor to roof and across the widest point. Account for any slope in the boot floor when determining maximum depth.
What should I look for if I regularly carry camping gear?
For camping organisers, prioritise a large capacity (50 litres or more) and robust construction with reinforced straps to handle heavier loads like tents and sleeping bags.
My family needs space for sports equipment – what's the minimum boot organiser size?
At least 40 litres is recommended for families involved in team sports; however, 50-60 litres will provide considerably more room for multiple bags and bulky equipment.
Can I use a smaller organiser if my boot isn’t fully full?
While technically possible, using an organiser that's too small can lead to items shifting and potentially damaging your belongings. It’s better to err on the side of slightly larger than necessary.
What should I do if the organizer dimensions don't quite match my boot?
Always check the retailer’s (e.g., Amazon’s) returns policy before purchasing, as they will handle any queries regarding fit or compatibility with your vehicle.
In depth
Measuring your boot space accurately is absolutely key when selecting a car organiser. The terms used by manufacturers and retailers can be confusing, often relying on vague descriptions like ‘large’ or ‘fits most estates’. What constitutes ‘large’ for one person might leave you desperately short for another. Boot organisers are fundamentally about utilising unused vertical space – think the area between the wheel arches and the rear seats – and so a precise measurement is paramount before committing to a purchase. The most common sizing system employed relies on dimensions expressed in inches, generally referring to the internal width of the boot at its narrowest point, and the maximum height that the organiser can accommodate. Don't be swayed by marketing claims alone; focus on these actual measurements.
The primary dimension you’ll encounter is usually stated as ‘Width’. This refers to the internal width of your boot measured between the wheel arches – this is where most organisers will make contact with the car body. It’s incredibly important to measure *this* accurately, and ideally do so with a flexible tape measure, allowing for slight variations in the shape of your car's boot. A common mistake is simply measuring across the entire width of the rear bumper; that measurement will almost certainly be misleadingly large. Manufacturers often provide a range – ‘fits most estates’ or ‘suitable for small to medium boots’. This isn’t a guarantee of fit, but rather an indication of the typical dimensions that the organiser has been designed to accommodate. Consider your specific vehicle model and its boot dimensions carefully before looking at these ranges.
Height is the second key measurement. Organisers are designed to stack items vertically, so the maximum height they can hold dictates how much storage space you’ll actually gain. This dimension is usually expressed as ‘Height’, again measured internally from the floor of your boot to the top of the organiser's main dividing section. Again, ensure you measure accurately and consistently; slight variations in seat heights or trim levels could significantly impact the usable height. Some organisers feature adjustable dividers, offering a degree of flexibility but still requiring accurate initial measurements.
Depth is another important consideration, though less commonly stated. This refers to the maximum depth that items can be stored within the organiser’s compartments. It's often expressed as ‘Depth’, and combined with width and height, it gives you a complete picture of the internal volume available for storage. The depth will largely depend on the design of the organiser itself – some have deep drawers, while others feature shallower pockets. Think about what you intend to store – bulky items like sports equipment require greater depth than smaller accessories.
A significant common error when selecting boot organisers is assuming that a ‘large’ organiser automatically equates to sufficient space. This is rarely the case; a large organiser might simply be too bulky for your boot, leaving little room for luggage or other essentials. Always prioritise accurate measurements over subjective impressions of size. Furthermore, consider the shape of your boot – a narrow boot will present different challenges than a wider one, regardless of the stated dimensions.
For families with two children and frequently transporting sports equipment, a boot organiser measuring approximately 100cm (width) x 60cm (height) x 40cm (depth) would be a sensible starting point. This size offers ample space for backpacks, football bags, and other bulky items while still allowing sufficient room in the boot for luggage. For smaller households or those primarily transporting groceries, an organiser measuring around 80cm (width) x 50cm (height) x 30cm (depth) would likely be adequate. If you drive a compact hatchback with limited boot space, opt for a slim, low-profile organiser focused on maximizing vertical storage – perhaps one with adjustable dividers to adapt to different item sizes.
Finally, remember that these are just starting points. Take your time, measure carefully, and don’t hesitate to consult the manufacturer's sizing guides (available on websites like Amazon UK) for detailed specifications relating to specific car models. When you’re reviewing product descriptions online, pay close attention to the dimensional details – width, height, and depth – to ensure a truly suitable fit and maximise your boot storage potential.
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-08-09.