Your Chair Needs a Home Assessment, Not a Tape Measure
I get a version of this email once a week: "My doorways are 30 inches, so a 26-inch-wide chair will fit, right?"
Maybe. Probably not the way you're hoping. A tape measure tells you the width of a hole. It doesn't tell you whether you can get through it, and it definitely doesn't tell you whether you can get through it at 7am with a coffee in your lap and the dog underfoot.
Before I spec a chair for anyone, I want to know how they actually move through their house. Here's what that looks like — and how you can do most of it yourself in an afternoon.
Doorways are about approach, not width
A 24-inch-wide chair fits through a 26-inch door if you're going straight at it with a running start. Now put that door at the end of a 36-inch hallway, where you have to turn 90 degrees to enter. Suddenly you need clearance for the diagonal of the chair, room for your hands on the pushrims, and space for your knees, which stick out past the front casters on most rigid frames.
The practical test: roll to every doorway you use daily and note whether you approach it head-on or from a turn. For turn-in doors, you generally want at least 42 inches of hallway, or you'll be doing three-point turns forever. If you can't get that, we make different choices — narrower rear wheel spacing, more front seat taper, a tighter camber, sometimes a shorter frame depth with the front casters tucked closer in.
Also measure the clear opening with the door open, not the frame. A door stop plus a hinged door swinging into the opening eats 1.5 to 2 inches. That's the difference between fitting and not.
The bathroom decides more than you think
Bathrooms are where the wheelchair fight actually happens. I want to know:
- Distance from the toilet centerline to the side wall (you need roughly 18 inches to the centerline and clear space beside it for a lateral transfer)
- Whether the sink has a pedestal or a cabinet under it — a cabinet means you approach at an angle forever, which affects how much front frame taper is useful
- Shower threshold height, and whether you're rolling in on a shower chair or transferring
- Whether the door swings in. An inward-swinging bathroom door in a small bathroom is one of the most common reasons a perfectly good chair spec fails. Reversing the hinges or swapping to a pocket door is often cheaper than compromising the chair.
Seat-to-floor height is a whole-house decision
This is the number I see people get wrong most often, and a tape measure at the doorway won't catch it.
Your seat height has to reconcile with your bed height, your toilet height, your couch, your car seat, your desk, and your kitchen counters. Those are five or six different surfaces, and they don't agree with each other.
Go measure them. Bed top surface with your normal mattress and pad. Toilet seat top. Sofa cushion, compressed, with your weight on it. Underside of your desk. Underside of your kitchen table. Your car's seat cushion.
Common conflicts I see:
- Seat height set for good push mechanics puts you 3 inches below the bed, making the transfer uphill every time.
- Seat height set to match the bed puts your knees into a 28-inch desk apron.
- A high seat solves transfers but makes your feet dangle above the ground and kills your ability to foot-propel if you do that at all.
There's no free answer here. Usually we adjust bed and toilet heights (cheap, reversible) and set the chair for propulsion and desk clearance. Sometimes we go the other way. But I want to know all the numbers before choosing, not after.
Floor surfaces, thresholds, and the front door
Plush carpet, especially with a thick pad, is the enemy of small casters. If you have carpet in the bedroom and hallway, 3-inch casters will fight you all day. Four-inch or 5-inch rollerblade-style casters roll far better on soft surfaces but add a little length and can shimmy at speed on hard floors. That's a real tradeoff, and it should be decided by what your floors actually are.
Thresholds: anything over about half an inch needs a wedge or a ramp, and a rigid frame with the front casters far forward pops over them differently than one tucked in. Measure every threshold: front door, back door, bathroom, sliders to the patio.
Entrance: how many steps, and what's the run of level ground at the bottom? A 4-inch rise needs 4 feet of ramp at a proper 1:12 slope. Six inches needs 6 feet. People routinely try to build 1:6 ramps in a driveway and then wonder why they can't get up them independently.
Photos beat measurements
Honestly? Send me photos and a short phone video of you moving through the house. Thirty seconds of you turning into your bathroom tells me more than a page of numbers. I can see the pinch points, the door swings, the rug you're going to catch a caster on.
The tape measure isn't useless. It's just the last step, not the first.
Ready for a Chair That Actually Fits?
A chair that fits your body but not your house is a chair you'll fight every day. Getting the home right up front means the chair disappears into your life instead of blocking your bathroom door.
I work directly with clients to specify and order custom ultra-lightweight wheelchairs — no middlemen, no upsells, just the chair that fits your life.
Get started at wheelchair.direct — answer a few questions and I'll reach out personally.