What Size Rollator Do I Need? Handle Height and Fit
The short answer: Have the person stand upright in their usual walking shoes, arms relaxed at their sides, and measure from the floor to the crease of the wrist. Choose a size whose handle height range includes that number. byACRE suggests adding a little under an inch for the slight forward reach. Then check the seat: Evolution says your feet should rest flat on the ground when seated.
byACRE says the right handle height lets you walk upright instead of hunched over. Every figure below comes from the makers' own product pages, spec sheets and manuals.
Step 1: Measure from the floor to the wrist
byACRE's manual says the handles should be level with your wrist when standing upright. Evolution says they should line up with the wrist crease or sit slightly higher.
- Wear walking shoes. Evolution says to stand in your normal walking shoes, and byACRE says to wear shoes if the rollator will be used outside.
- Stand upright with the arms relaxed at the sides, Evolution says.
- Measure from the floor to the wrist crease. byACRE suggests adding a little under an inch, because the arms angle slightly forward on the grips.
- Compare it with each size's handle range. Evolution says the elbows should bend about 15 to 20 degrees when you hold the grips.


Step 2: Find a size that covers the number
Each maker lists a handle range for every size, and only Evolution adds user heights, for two models on its US site.
- Lowest handles: the Evolution Xpresso Zero Mini starts at 28.5 inches, and the Drive Nitro Sprint Small, Evolution Trillium Mini and Evolution Piper Super Mini at 29 inches.
- Highest handles on a standard rollator: the Drive Nitro HD and the MOBB Aluminum Folding Rollator reach 41 inches.
- Upright walker: the Drive Elevate Upright Walker has forearm pads and adjusts from 39 to 44 inches. Call us to size one.
Handle height, seat and capacity by size
| Rollator and size | Handle height | Seat height | Seat width | Capacity |
|---|---|---|---|---|
| byACRE Carbon Ultralight Compact | 30.7 to 37.4 in | 22.4 in | 16.1 in | 285 lb |
| byACRE Carbon Ultralight Regular | 30.7 to 37.4 in | 24 in | 16.5 in | 285 lb |
| byACRE Carbon Ultralight Wide | 30.7 to 37.4 in | 24 in | 18.5 in | 285 lb |
| byACRE Carbon Overland | 32.7 to 37.8 in | 24.4 in | 18.1 in | 330 lb |
| Drive AeroWalk Standard | 31.5 to 35.4 in | 20 in | 17.7 in | 330 lb |
| Drive AeroWalk Tall | 31.5 to 37.3 in | 23 in | 17.7 in | 330 lb |
| Drive AeroCarbon | 31.7 to 37.6 in | 23 in | 17.5 in | 330 lb |
| Drive Nitro Sprint Small (Hemi) | 29 to 33 in | 18 in | 18 in | 350 lb |
| Drive Nitro Sprint Standard | 30 to 36.5 in | 21 in | 18 in | 350 lb |
| Drive Nitro Sprint Tall | 32 to 39.4 in | 23 in | 18 in | 350 lb |
| Drive Nitro DLX | 33.5 to 38.5 in | 20 in | 18 in | 300 lb |
| Drive Nitro HD | 36 to 41 in | 23.5 in | 23 in | 450 lb |
| Drive Nitro Elite CF | 32.5 to 37.5 in | 20.75 in | 17.75 in | 300 lb |
| Drive Nitro Duet | 33 to 37 in | 20.5 in | 17.5 in | 300 lb |
| Drive Elevate Upright Walker | 39 to 44 in | 21 in | 18 in | 300 lb |
| Hugo Sidekick | 30.5 to 35 in | 20.5 in | 18 in | 250 lb |
| Airgo Fusion F18 | 29.5 to 35 in | 18 in | 19.5 in | 300 lb |
| Airgo Fusion F20 | 30 to 36.5 in | 20 in | 19.5 in | 300 lb |
| Evolution Trillium Mini, users under 5'4" | 29 to 33 in | 18 in | 18 in | 300 lb |
| Evolution Trillium Regular, users 5'4" to 5'11" | 31.5 to 35.5 in | 21 in | 18 in | 300 lb |
| Evolution Trillium Tall, users 5'11" and up | 34.5 to 38.5 in | 24 in | 18 in | 350 lb |
| Evolution Xpresso Zero Mini, users under 5'4" | 28.5 to 33.5 in | 18 in | 17.5 in | 300 lb |
| Evolution Xpresso Zero Regular, users 5'4" to 5'11" | 31 to 36 in | 21 in | 17.5 in | 300 lb |
| Evolution Xpresso Zero Tall, users 5'11" and up | 33 to 38 in | 24 in | 17.5 in | 350 lb |
| Evolution Xpresso Lite Mini | 30.5 to 33.5 in | 18 in | 18 in | 300 lb |
| Evolution Xpresso Lite Regular | 30.5 to 34.5 in | 21 in | 18 in | 300 lb |
| Evolution Xpresso Lite Tall | 33.5 to 40 in | 24 in | 18 in | 350 lb |
| Evolution Xpresso Lite CF Mini | 30.5 to 33.5 in | 18 in | 18 in | 350 lb |
| Evolution Xpresso Lite CF Regular | 30.5 to 34.5 in | 21 in | 18 in | 350 lb |
| Evolution Xpresso Lite CF Tall | 33.5 to 40 in | 24 in | 18 in | 350 lb |
| Evolution Xpresso Wide | 32.5 to 37.5 in | 22 in | 20 in | 450 lb |
| Evolution Xpresso Wide, Low Wide | 30.5 to 35.5 in | 19 in | 20 in | 450 lb |
| Evolution Piper Super Mini | 29 to 33 in | 17 in | 16.5 in | 275 lb |
| Evolution Piper Mini | 30 to 34 in | 19 in | 18 in | 275 lb |
| Evolution Piper Regular | 31 to 36 in | 21 in | 18 in | 275 lb |
| Evolution Piper Tall | 35 to 39 in | 23 in | 18 in | 275 lb |
| Human Care neXus 3 Super Low | 30.5 to 34.1 in | 19 in | Not given | 441 lb |
| Human Care neXus 3 Low | 30.5 to 36.5 in | 22 in | Not given | 441 lb |
| Human Care neXus 3 Standard | 32.5 to 39.8 in | 24 in | Not given | 441 lb |
| MOBB Aluminum Folding Rollator | 33 to 41 in | 19.5 to 23 in | 18 in | 400 lb |
The Evolution user heights come from its US site, which gives them for the Trillium and Xpresso Zero. Some makers print more than one range for the same model. byACRE's spec tables give 30.7 to 37.4 inches for every Carbon Ultralight size and 32.7 to 37.8 inches for the Carbon Overland, which is what we show, while its FAQ and manuals give slightly different ranges. Human Care's centimetre and inch figures for the neXus 3 differ by a few tenths of an inch, and we show its inches. We left out the Rehasense rollators because we could not read Rehasense's own figures.
What the size names mean
- byACRE Compact, Regular and Wide: one handle range, so choose by width and seat. byACRE says a slimmer model suits mostly indoor use with narrow walkways, and if you are in doubt, choose the wider one. Its US shop says most people prefer the Wide.
- Evolution Mini, Regular and Tall: for the Trillium and Xpresso Zero, Evolution's US site gives user heights of under 5'4", 5'4" to 5'11" and 5'11" and up. The Piper adds a Super Mini, and the Xpresso Wide comes in Wide and Low Wide, both with a 20 inch seat.
- Drive Hemi, Standard and Tall: Drive calls the shortest Nitro Sprint the Hemi, and we list it as Small. Drive gives no user heights, so compare the handle and seat figures.
- Human Care Super Low, Low and Standard: Human Care measures their seat heights from the floor to the bottom of the seat pan: 19, 22 and 24 inches.
Step 3: Check the seat
If the rollator will be used for rests, check the seat as closely as the handles.
- Height: Evolution says your feet should rest flat on the ground when seated. byACRE suggests sitting on a chair at home of a similar height to see whether getting in and out is easy. byACRE says the Carbon Ultralight seat height does not adjust; MOBB's adjusts from 19.5 to 23 inches.
- Width: byACRE says a wider seat is more comfortable if you rest often, and your hips should be narrower than the space between the handles, with room for a thick winter coat.
- Capacity: ratings in our table run from 250 lb on the Hugo Sidekick to 450 lb on the Drive Nitro HD and Evolution Xpresso Wide.
Setting it up: handles, brakes and backrest
Handles
- byACRE: push the button, adjust the handle and release. The brakes may need adjusting after a height change.
- MOBB: move the handle until the push lock button clicks, and set both grips at the same height.
- Human Care: keep the brake handle in its neutral position while you set the height.
Brakes
The byACRE, Evolution, Human Care and MOBB manuals agree: pull or squeeze the levers to slow down, press them down to park, and pull them back up to release. Evolution says not to walk with the brakes on.
Backrest
Drive says the Nitro DLX's back support height adjusts with a tool free thumb screw. byACRE says its Carbon Ultralight Backrest attaches only if at least one hole stays visible on the handlebar.
Walking upright with a rollator
- Walk upright, close to the frame. MOBB's manual says to walk upright with the rollator near your body. byACRE's manual says to look ahead and not to push the rollator far in front of you.
- Lock both brakes before you sit. byACRE, Evolution and Human Care all say so. Evolution says to back up until you feel the seat behind your legs, and never to sit while the rollator is moving.
- Do not lean on the handles to sit. Human Care says to steady yourself on the upper handgrip, never the brake levers.
- Avoid stairs. byACRE and Human Care say not to use their rollators on stairs.

Common sizing mistakes
- Going by height alone. byACRE says the wrist height decides the fit.
- Measuring in socks or slippers. Measure in the shoes they will walk in.
- Forgetting the seat, so the feet do not rest flat.
- Choosing a narrow seat for frequent rests.
- Leaving the grips uneven. MOBB says to set both at the same height.
Rollator size questions
How do I know what size rollator I need?
Measure from the floor to the wrist crease, standing upright in walking shoes, and choose a size whose handle range includes that number. Then check that the feet rest flat when seated.
What size rollator fits someone under 5'4"?
For the Trillium and Xpresso Zero, Evolution's US site puts them in the Mini. The lowest handles in our table start at 28.5 inches, on the Evolution Xpresso Zero Mini.
What size rollator fits a tall person?
For the Trillium and Xpresso Zero, Evolution's US site puts users 5'11" and up in the Tall. On a standard rollator, the highest handles in our table reach 41 inches, on the Drive Nitro HD and the MOBB.
Should rollator handles be at wrist or elbow height?
At the wrist, say byACRE and Evolution. Evolution adds that the elbows should bend about 15 to 20 degrees when you hold the grips.
How high should a rollator seat be?
Evolution says the feet should rest flat on the ground when seated. Seats in our table run from 17 to 24.4 inches.
Want us to check the size?
Call us at 888-386-6233 with the wrist measurement, and a real person will help you match it to the right rollator and size. Phones are open Monday to Friday 9am to 5pm, Saturday 10am to 4pm and Sunday 10am to 3pm, Pacific Time.
See every walker and rollator we carry, or read our byACRE Carbon Ultralight review.
- Choosing a selection results in a full page refresh.
- Opens in a new window.