Under Bed Storage Clearance Calculator

Typically, this means your hopes for an endless bedroom storage end around six inches from the floor. You purchase a stylish new bed frame with extra leg room and vow to store off season bedding and winter coats out of sight… never to think about them ever again. You attempt to sneak the very first plastic bin under the bed, only to find a central rail catching on the fabric. Or worse, the beautiful bed skirt sags below where you expected it to reach and there’s no way that bin will fit beneath it. This is where the ‘friction’ happens, and it’s what makes measurement better then estimation.

While most will measure the vertical distance from the floor to where the bed leg is tallest, that’s irrelevant for storage. Storage isn’t interested in the highest point; it matter where the lowest point of obstruction is between mattress supporting structure and the floor. Enter your exact measurements into the calculator above. It does the math for you so you don’t have to figure out how much volume you’ll lose due to drawer boxes and center rails. Usable clearance is perhaps the most critical input value to enter correctly.

How to Measure for Under-Bed Storage

Don’t confuse this with space between your floor and underside of your bed frame. Subtract out anything that drops below that level; such as a lip on your mattress foundation, sagging slats, or any other fabric skirt. Add back in any risers or bed casters you might have. It’s an easy tweak but makes all the difference in determining if your bins will fit or not.

Target gap above bin: Yes, we factor this into the calculation too, since a container that fits vertically still won’t slide if it’s scraping frame with zero wiggle room. One thing that is unexpectedly influential is floor type. Plush rugs introduce an unknown factor in the mix, while hardwoods is nice because they’re consistently level and flush with the floor. Before your bin even hits the floor a deep-pile shag rug can consume a good half-inch of vertical space. That’s why the calculator requests the wiggle room, no one wants a promised fit that falls short at first contact!

Speaking of which, don’t forget the other aspect of horizontal configuration: The queen mattress has approximately 33 sq ft of potential stashing space… though not all of it will be accessible. Support rails cut the footprint down the middle. If you’re unaware of their existence, you’ll order bins wider than what fits beneath either side. To make it easy for you, the tool automatically factors in any obstruction loss depending on the type of bed you have.

That doesn’t require any mental math; just look at the number it spits out as its own clearance score. If it’s high, then you’ve got enough space for some hefty plastic boxes with lid/latches/handles. If it’s low, then you’re looking at soft fabric bags instead, which will squish around obstructions, or maybe even vacuum-sealed storage sacks. There isn’t a single right answer here: the goal is determining which solution fits best into whatever space you have available.

Do you need something soft (because it’ll bend/flex over slight imperfections in the frame or floor and not get hung up like a hard box)? Or do you want something rigid (to protect more fragile items/shoes from each other)? Rigids requires measuring carefully, while soft bins won’t mind a little slop.

The depth of the bed frame is another detail people tend to neglect. Wide wooden apron frames and upholstered beds often has rails that stretch way past the edge of your mattress. This eats into the usable width for sliding bins in from the sides. To make up for this, the calculator takes into account the reachable footprint factor: whether the bed is placed in a corner or against a wall, blocking access from either end. It is a minor point, but it will save you the irritation of being unable to reach certain spaces.

In the end, under-bed storage is as much an issue of accessibility as it is capacity. Make the bins too snug to smoothly slip out, and you have yourself a bunch of dead weight. Things will sit in there until the mythical next spring cleaning never comes. Measure your low spot first, not your high one. Look for any potential obstacles, cross braces, center legs, etc. Remember: Just a couple inches of additional vertical clearance over the bin can be the difference between a stuck-on lid and a nice easy glide. Accurate measurement goes a long way; everything else falls into place from there.