How to Choose the Right Storage Bin Size

We all have stuff. Lots of it. From seasonal decorations and hobby supplies to pantry staples and garage tools, there comes a point when you just need to get organized.

Storage bins are the backbone of any good decluttering effort. But walking into a store or browsing online, you’re faced with a bewildering array of sizes. Too small, and it’s useless.

Too big, and it’s a dust trap or a waste of space. Picking the right storage bin size is actually a straightforward process if you know what to look for.

Let’s break down how to make sure your storage bins do their job effectively, keeping your belongings secure and your spaces tidy.

Understanding Your Storage Needs: The First Step

Before you even look at a bin, you need to understand what you’re storing. This sounds obvious, but people often skip this crucial first step. They see a bin, think “that might work,” and end up with something that’s either too small or just plain wrong.

Item Assessment: What Goes Inside?

Take an honest inventory of the items you plan to store.

• Size and Shape: Are you storing bulky items like blankets or sports equipment? Or are you dealing with a collection of smaller, fiddly things like craft supplies, screws, or medications? Bulky items need larger bins that can accommodate their irregular shapes without leaving massive amounts of empty air. Smaller items benefit from bins with compartmentalization, or multiple smaller bins within a larger one.
• Quantity: How many of these items do you have? A single snowsuit might fit in a medium bin, but a whole winter wardrobe will require something much larger.
• Fragility: Are your items delicate? If so, you might need bins with sturdy construction and perhaps some padding, which can affect the internal usable space vs. the external dimensions.
• Frequency of Access: How often will you need to get into this bin? Items you access regularly should be in bins that are easy to open and close, possibly with clear lids or labels. Items stored long-term, like holiday decorations, can be in more robust, stackable bins you might put out of the way.

Quantifying Space: Measure, Measure, Measure

This is where most people go wrong. They eyeball it. Don’t eyeball it.

Get a tape measure.

• Measure the Items: For irregular items, measure their maximum width, depth, and height when they are clustered as you intend to store them. For groups of smaller items, try to estimate the total volume they occupy. A quick way to do this is to gather them all and then measure the space they take up.
• Measure Your Storage Location: Where will these bins live?
  • Shelves: Measure the height, width, and depth of your shelves. Remember to account for the space between shelves. Don’t buy a bin that’s an inch too tall for its intended shelf.
  • Under Beds: Measure the gap under your bed. A common mistake is buying bins that are too high.
  • Closets: Measure the width and depth of your closet space. Also, consider how many bins can stack vertically without making it impossible to access lower ones.
  • Garages/Attics: These spaces might have more flexibility, but you still want to make sure bins fit where you want them and don’t create trip hazards or block access to other areas.

Types of Storage Bins and Their Size Considerations

The material and design of a storage bin impact its usability and how you should approach size.

Plastic Storage Bins

These are the workhorses of storage. They come in a vast range of sizes and are good for just about anything, from clothes and toys to tools and garden supplies.

Image source: Openverse / Martin Slade

• Considerations:
  • Internal vs. External Dimensions: Always check the product description for both. Manufacturers often list external dimensions, but the internal space might be slightly smaller due to the bin’s construction (e.g., thicker walls, lids that overhang). If you’re storing things that fill the bin to the brim, this difference matters.
  • Stackability: Many plastic bins are designed to stack. Look for bins with lids that have a lip or groove to help them fit securely on top of each other. This is crucial for maximizing vertical space. Some stackable bins have lids that are separate from the main body, offering more internal height.
  • Clear vs. Opaque: Clear bins let you see what’s inside, saving time and frustration. Opaque bins can make a space look tidier by hiding visual clutter, but require diligent labeling.
  • Wheeled Bins: For very large or heavy bins, wheels can be a lifesaver. These are typically deeper and wider bins, often used for garage or attic storage.

Fabric Storage Bins and Baskets

These are softer, often foldable options. They’re great for closets, shelves, and under beds, perfect for linens, clothes, toys, and books.

• Considerations:
  • Flexibility Redefined: Fabric bins are somewhat forgiving with slightly irregular items. They also often fold flat when not in use, perfect for saving space when empty.
  • Structural Integrity: While good for soft goods, fabric bins aren’t ideal for heavy or sharp items that could poke through or damage the material. Their size is more about volume than rigid capacity.
  • Lid vs. No Lid: Many fabric bins come with lids, either attached or separate. The lid helps keep dust out and allows for stacking, but without a lid, they’re easy to access.

Drawer and Cabinet Organizers

These are smaller, often modular, bins designed to fit inside existing furniture. Their size is dictated by the drawer or cabinet they’ll occupy.

• Considerations:
  • Precise Measurements: You absolutely must measure the internal dimensions of your drawers or cabinet compartments. These organizers often come in specific sets or individual sizes designed to fit together like puzzle pieces.
  • Adjustable Options: Some drawer organizers are adjustable, allowing you to customize compartments. This is fantastic for varying item sizes.

Specialized Storage: Beyond the Basics

• Under-Bed Bins: These are intentionally low-profile. Their primary size constraint is the height clearance under your bed. Look for dimensions that maximize usable space without being so tall they’re a nuisance. Many include wheels for easy access.
• Rolling Storage Carts: These are often multi-tiered and designed for craft supplies, tools, or even as kitchen carts. Their size is a trade-off between capacity and mobility.
• Hanging Garment Bags/Boxes: These are designed to hang in closets. Their width is usually standardized (fitting typical closet rods), but depth and height can vary. They’re great for seasonal clothing or delicate items.

Decoding Storage Bin Dimensions: What to Look For

When you’re looking at a product listing or a bin in person, you’ll see dimensions. Here’s how to interpret them.

Length, Width, and Height (L x W x H)

This is the standard way dimensions are presented.

• Exterior Dimensions: These are the overall measurements of the bin from its outermost points. They are important for fitting the bin into a specific space (like a shelf or under a bed).
• Interior Dimensions: These are the usable dimensions inside the bin. This is crucial for knowing if your items will actually fit. Sometimes manufacturers provide these, and if they don’t, you might need to estimate or look for independent reviews.
• Stacking Dimensions: If a bin is stackable, check if the dimensions indicate how many can fit on top of each other comfortably and stably.

Cubic Feet or Gallons: Understanding Volume

Some bins are sold by volume (e.g., 10-gallon bin, 50-gallon bin). This gives you a general idea of capacity.

• Conversion is Key: While helpful, remember that volume doesn’t always translate directly to practical storage if your items are oddly shaped. A 50-gallon bin might hold less than you expect if you’re storing large, bulky items.
• Context Matters: A 10-gallon bin might be perfect for craft supplies, while a 50-gallon bin is suitable for blankets or seasonal decor.

Practical Strategies for Choosing the Right Size

Let’s get into the actionable steps.

Strategy 1: The “Measure and Match” Method

This is the most reliable approach.

1. Gather Your Items: Collect everything you intend to store in one place.
2. Measure the “Bundle”: Use your tape measure to find the maximum length, width, and height of the collection of items. If they’re flexible (like clothes), arrange them as you would pack them.
3. Measure Your Space: Measure the dimensions of the shelf, cabinet, or area where the bin will live. Note any height restrictions.
4. Compare and Select:
   • Length & Width: Choose bins whose internal length and width are slightly larger than your item bundle. You want some wiggle room, but not so much that items shift excessively or there’s wasted space.
   • Height: This is critical. Ensure the bin’s internal height is adequate for your items. Also, check the external height against your available vertical space (shelf height, under-bed clearance).
   • Stacking: If you plan to stack, consider how the bin’s dimensions interact with the bin below it and the space above it.

Example: You’ve gathered your children’s stuffed animals. They measure, when all squished together, about 24 inches long, 18 inches wide, and 15 inches high. You want to store them on a shelf in the closet that is 30 inches wide, 20 inches deep, and 20 inches high.

You’d look for a bin with internal dimensions of at least 25 inches x 19 inches x 16 inches. The external dimensions of the bin must be less than 30 inches wide, 20 inches deep, and 20 inches high. A bin measuring 26″L x 19″W x 17″H (external) would likely be a good fit.

You’d have room to spare on the shelf, and the height is well within the closet’s limits.

Strategy 2: The “Categorize and Conquer” Method

This works well for organizing different types of items.

1. Group Similar Items: Put all your T-shirts together, all your craft paints together, all your pet supplies together, etc.
2. Estimate Volume per Category: For each group, consider the volume they occupy. A pile of sweaters takes up more space than a box of CDs.
3. Assign Bin Sizes by Category:
   • Small Items (e.g., craft beads, nuts and bolts, spice jars): Small, possibly modular bins or drawer inserts. Think 1-quart to 5-gallon sizes.
   • Medium Items (e.g., shoes, sweaters, toys, kitchen gadgets): Medium-sized bins. Think 10-gallon to 20-gallon sizes. These are often good for stackable solutions on shelves.
   • Large Items (e.g., blankets, bedding, seasonal decorations, cleaning supplies): Larger bins. Think 20-gallon to 60-gallon sizes. These might be better for garages, attics, or under-bed storage.
4. Check Against Space Constraints: Once you have your categories and assigned bin sizes, measure your storage spaces to ensure these bins will fit where you envision them.

Strategy 3: The “Standard Size” Approach (with Caution)

Many manufacturers offer “standard” storage bin sizes, often branded with names indicating their intended use.

• “Shoe Box” Size: Typically around 13″ L x 7″ W x 5″ H. Good for shoes, small collectible items, or office supplies.
• “Quart” or “Gallon” Sizes: Common for clear plastic bins. 1-quart (around 7″x5″x5″) is good for small craft items. 5-gallon (around 15″x10″x12″) is good for bulk dry goods or smaller tool collections. 18-gallon (around 24″x16″x12″) is a popular mid-size for general storage. 27-gallon (around 30″x20″x16″) is a good all-rounder for clothes or toys. 50-gallon (around 30″x21″x14″) is for larger, bulkier items.
• “Sterilite” or “Rubbermaid” Sizes: These brands are ubiquitous and often have consistent sizing across their product lines. If you know a particular bin model number fits your space, you can often find similar sizes or buy more.

Caution: While “standard” sizes are convenient, always verify the actual dimensions of the bin you’re considering. Different brands might use the same descriptor (“18-gallon”) but have slightly different external or internal measurements.

Tips for Avoiding Storage Bin Size Mistakes

We’ve all bought the wrong size. Here’s how to prevent it.

Buy a Sample First (If Possible)

If you’re buying many bins of the same size, purchase just one or two to test. Bring it home, measure it, and see if it holds your intended items and fits your space perfectly.

Read Reviews Carefully

Other buyers often mention if a bin runs small, is larger than expected, or fits perfectly in a specific type of space (like under a bed or on a particular shelf system).

Understand the “Fill Factor”

How tightly packed will your items be? If you’re storing soft goods like blankets or clothes, you can often compress them a bit to fit. If you’re storing rigid items, you need to be more precise with your measurements.

Don’t Forget About Lids

When measuring shelf height, remember that the lid adds to the overall height of the bin. If a bin’s height is borderline for your shelf, the lid might make it impossible to store. Some bins have lids that sit inside a groove, meaning the lid’s thickness doesn’t add to the bin’s height significantly.

Consider Accessibility

If a bin is too big and heavy, you might not be able to pull it out easily, especially if it’s on a high shelf. For those heavy-duty, large capacity bins, consider one with wheels or handles that make them easy to maneuver. A bin that’s too large can become a storage problem in itself.

Labeling is Your Friend

Even with the right-sized bin, accurate labeling prevents you from guessing what’s inside and pulling out the wrong bin, which can lead to your items not fitting back in. Label the bin clearly with its contents.

When Bigger Isn’t Always Better

We’ve talked about needing enough space, but sometimes people overestimate.

• Wasted Space: An oversized bin with only a few items inside creates a lot of dead space. This can lead to items shifting around, getting damaged, or simply not being organized efficiently.
• Dust and Pests: Gaps in oversized bins can let in dust and, in some environments, pests.
• Weight and Maneuverability: Larger bins are heavier. If they’re not on wheels, they become difficult to move, defeating the purpose of accessible storage.
• Cost: Larger bins generally cost more. If you can achieve the same organization with smaller, more appropriately sized bins, you’ll save money.

Conclusion: Smart Size Choices Lead to Smarter Storage

Choosing the right storage bin size boils down to a simple formula: know your stuff, measure your space, and match them accurately. Don’t guess. Don’t eyeball.

Get out that tape measure. By taking a few minutes to assess your needs and carefully check dimensions, you’ll avoid the frustration of bins that are too big, too small, or just plain wrong. The result is not just neatness, but true, functional organization that makes your life easier.

Happy storing!

Adnan

apleasanthome.com