---
title: "Hospital bed dimensions: standard, twin XL, full and bariatric sizes"
url: https://www.kelingmed.com/blog/hospital-bed-dimensions/
published: 2026-07-11
updated: 2026-10-19
author: Keling Medical export team
---

# Hospital bed dimensions: standard, twin XL, full and bariatric sizes

Size of patient bed explained: standard hospital bed dimensions, mattress sizes, twin XL, full and bariatric widths, bed height, weight and room clearances.

## Key points

- A standard hospital bed mattress is about 36 x 80 inches (roughly 900 x 2000 mm), a little narrower than a residential twin XL at 38 x 80 inches.
- Overall bed size is larger than the mattress: many ward beds measure about 2000-2200 mm long and 950-1050 mm wide including head and foot boards and side rails.
- Bariatric beds commonly come in 42, 48 and 54 inch widths, and some extend to 84 inches or more in length.
- Plan doors, lifts and room clearances around the bed's overall footprint with rails up, not around the mattress size.
- Always confirm three numbers on the datasheet: overall dimensions, mattress platform size and the height range.


The size of a patient bed is usually quoted as its mattress size: a standard hospital bed takes a mattress of about 36 × 80 inches (roughly 900 × 2000 mm). The frame is larger, typically 2000–2200 mm long and 950–1050 mm wide with rails fitted. Bariatric beds run 42–54 inches wide, and height adjusts across a range of roughly 300 mm.

This guide sets out standard hospital bed dimensions, mattress measurements, bariatric and wider sizes, weight, and the room and door clearances planners need. For choosing between manual and electric functions, see [electric vs manual hospital beds](https://www.kelingmed.com/blog/electric-vs-manual-hospital-beds/).

## Standard hospital bed dimensions at a glance

A standard adult hospital bed has three dimensions that matter: the mattress platform, the overall footprint and the height range. The table below gives typical ranges for adult beds; individual models differ, so treat it as a planning starting point.

| Measurement | Typical range (metric) | Typical range (imperial) |
|---|---|---|
| Mattress / sleeping surface | 850–915 × 1900–2030 mm | 34–36 × 75–80 in |
| Overall length (with head and foot boards) | 2000–2200 mm | 79–87 in |
| Overall width (with side rails) | 950–1050 mm | 37–41 in |
| Platform height, lowest to highest (adjustable beds) | about 400–800 mm | about 16–31 in |
| Fixed-height manual beds | about 450–550 mm | about 18–22 in |
| Mattress thickness | 100–150 mm common | 4–6 in common |

The headline "hospital bed size" that most people search for is the mattress figure: about 36 × 80 inches in North America and about 900 × 1900 or 900 × 2000 mm in many other markets.

## How long is a hospital bed?

Most adult hospital beds are 2000–2200 mm (79–87 inches) long overall. The sleeping surface is shorter, usually 1900–2030 mm, because the head and foot boards add 50–100 mm each.

Tall patients are the main reason to care about hospital bed length. Many frames offer a **bed extension** that slides the foot section out by about 100–200 mm. If you specify one, you also need a longer mattress or a foam filler so there is no gap at the foot end. Order the extension with the beds rather than retrofitting later.

## How wide is a hospital bed?

A standard hospital bed is about 900 mm (35–36 inches) wide at the mattress and 950–1050 mm (37–41 inches) wide overall. The overall width depends mostly on the side rails and how far they sit outside the platform.

Narrow is deliberate. A 900 mm surface lets a nurse reach the middle of the bed from either side, keeps the bed small enough to pass through hospital doors and lifts, and keeps the patient close to the side rails. Wider is not automatically more comfortable: it increases the reach for caregivers and can create gaps between the mattress and rails.

## Hospital bed mattress sizes and dimensions

The hospital bed mattress size must match the platform and the rails, not a residential bed size. A mattress that is too narrow or too short leaves gaps where a head, neck or limb can become trapped.

| Mattress type | Typical size | Notes |
|---|---|---|
| Standard hospital mattress (North America) | 35–36 × 80 in (about 890–915 × 2030 mm) | Most common home and ward size |
| Standard hospital mattress (metric markets) | 900 × 1900 mm or 900 × 2000 mm | Check against the platform drawing |
| Extended length | 36 × 84 in (about 915 × 2130 mm) | For beds with a length extension |
| Residential twin XL (for comparison) | 38 × 80 in (about 965 × 2030 mm) | Often too wide for hospital rails |
| Bariatric | 42, 48, 54 in wide; 80–88 in long | Must match a bariatric frame |

Keling's [KL-P001 Mattress](https://www.kelingmed.com/products/hospital-beds/kl-p001-mattress/) foam mattress is made in a 190 × 90 cm base size with thickness options from 60 to 150 mm, and the [KL-P002 Mattress](https://www.kelingmed.com/products/hospital-beds/kl-p002-mattress/) is the three-section version that folds with the backrest and knee sections. For pressure-relief options, see the [pressure-relief mattress guide](https://www.kelingmed.com/blog/pressure-relief-mattress-guide/).

### Twin XL and hospital beds

A twin XL hospital bed mattress (38 × 80 in) is a frequent home-care question. On many hospital frames it is 2–3 inches too wide, so rails cannot close fully or the mattress bulges over the edge. Buy the mattress size the bed manufacturer lists, and if the bed is a wider home-care model, buy rails designed for that width.

## Bariatric bed dimensions and sizes

Bariatric bed dimensions start where standard beds stop. Common bariatric mattress widths are 42, 48 and 54 inches (about 1070, 1220 and 1370 mm), with some models up to 60 inches, and lengths of 80–88 inches. Safe working loads are higher than on standard beds, and the frame, actuators and castors are built to match.

Points that matter for bariatric bed measurements:

- **Overall width.** Add the rails and frame to the mattress width. A 48-inch bariatric bed can approach 1300 mm overall, which will not pass a standard door without folding or removing rails.
- **Width-adjustable frames.** Some bariatric beds expand in width; check the width in both positions.
- **Turning space.** Bariatric rooms need more floor area for the bed, a lift and two or more caregivers.
- **Mattress match.** A bariatric hospital bed mattress must cover the full platform with no gaps at the rails.

## Full, queen and king size hospital beds

Full size (about 54 inches), queen size (about 60 inches) and even king size hospital beds exist, mostly as bariatric or premium home-care products. They suit people who want to share a bed at home or need extra room to turn.

In hospitals they are rare. They are harder to move, need more staff reach, and often cannot pass through doors and lifts. For a home, measure the door, hallway and room first, and ask whether the frame ships in sections.

## How much does a hospital bed weigh?

Hospital bed weight varies more than any other dimension. A basic manual ward bed or a home-care bed is commonly around 50–100 kg (110–220 lb) without the mattress. Fully featured electric ICU beds with tilt, weighing systems and batteries can weigh well over 150 kg.

Weight matters for three reasons: floor loading in older buildings and homes, manual handling during delivery and installation, and freight cost. Ask the manufacturer for **net weight, gross weight and carton dimensions** from the packing list.

Do not confuse bed weight with the **hospital bed weight limit**. The safe working load is the maximum the bed is designed to carry, including the patient, mattress and accessories. Keling's [KL-BC104 Electric Hospital Bed](https://www.kelingmed.com/products/hospital-beds/kl-bc104-electric-hospital-bed/) 3-function electric bed is rated at 200 kg, and the [KL-BC101 Electric Hospital Bed](https://www.kelingmed.com/products/hospital-beds/kl-bc101-electric-hospital-bed/) 5-function ICU bed at 240 kg. IEC 60601-2-52, the safety standard for medical beds, requires the safe working load to be stated and tested.

## Room, door and lift clearances

A bed that fits the room on paper can still fail at the door. Plan around the bed's overall footprint with rails raised, plus the space staff and equipment need.

| Planning item | What to check |
|---|---|
| Doors | Clear opening width against overall bed width; bariatric beds need wider doors |
| Lifts | Internal car length against overall bed length plus a person at the head |
| Corridors | Turning space where corridors meet doors at 90° |
| Bedside clearance | Space at both sides and the foot for transfers, lifts and resuscitation |
| Height range | Lowest height for falls risk, highest for ergonomic care |
| Head of bed | Space for the bed head unit, gases and wall bumpers |

In the US, the FGI Guidelines set minimum clearances around patient beds; about 3 feet (roughly 900 mm) at the sides and foot is a common planning figure for medical-surgical rooms, with more in critical care. Check the code that applies in your country.

Ward and ICU rooms also need the bed head services aligned with the bed. Keling's [KL-CA012 Bed Head Units](https://www.kelingmed.com/products/hospital-beds/kl-ca012-bed-head-units/) bed head unit is built to custom size, which helps when rooms are being fitted around a specific bed model.

## Home hospital bed dimensions

Home hospital bed dimensions are similar to ward beds, but the constraints are different. A typical home-care bed takes a 36 × 80 inch mattress and is about 1000 mm wide overall, and residential doors are often only 30–32 inches (760–810 mm) wide.

That gap is why many home-care and hospice beds ship as separate head, foot and frame sections that are assembled in the room. Before buying for home use:

1. Measure every door and turn on the route to the room.
2. Allow space on at least one side for a caregiver, and on both sides if two people will provide care.
3. Check that a mobile patient lift can pass under the bed if one will be used.
4. Confirm the lowest height if falls are a concern.

The [home-care hospital beds guide](https://www.kelingmed.com/blog/home-care-hospital-beds/) covers choosing a bed for home use in more detail.

## What to put in a tender or specification

Writing dimensions into a specification avoids beds that do not fit lifts, mattresses that leave gaps, and rails that do not match. Ask for:

- **Overall length, width and height range**, with side rails up and down
- **Mattress platform size** and the recommended mattress dimensions
- **Safe working load** and the patient weight it allows after mattress and accessories
- **Net and gross weight** and carton size per unit, plus quantity per container
- **Bed extension** availability and the extension length
- **Rail dimensions** and the IEC 60601-2-52 test report covering gaps and entrapment
- **Under-bed clearance** if mobile lifts or cleaning machines must pass beneath

Keling publishes overall and platform dimensions for each bed, for example 2150 × 1035 mm overall with a 1930 × 900 mm surface on the [KL-BC104 Electric Hospital Bed](https://www.kelingmed.com/products/hospital-beds/kl-bc104-electric-hospital-bed/). Ask for the drawing and documents that apply to your chosen model and destination country.

## Next steps

Start with the room and the route, then pick a bed whose overall footprint fits both, and order the mattress the manufacturer specifies for that platform. Browse Keling's [hospital beds](https://www.kelingmed.com/products/hospital-beds/) to compare dimensions across manual, electric and ICU models, or send your room drawings and quantities through the [quote form](https://www.kelingmed.com/contact/#rfq) for a dimensioned proposal.


## FAQ

### What is the standard size of a patient bed?

A typical adult patient bed takes a mattress of about 36 x 80 inches (approximately 900 x 2000 mm). The frame itself is bigger: roughly 2000-2200 mm long and 950-1050 mm wide once head and foot boards and side rails are included. Exact figures vary by model, so check the overall and platform dimensions on the datasheet.

### How long is a hospital bed?

Most adult hospital beds are about 2000-2200 mm (79-87 inches) long overall, with a sleeping surface around 1900-2030 mm (75-80 inches). Many models accept a bed extension of roughly 100-200 mm for tall patients, which also requires a longer mattress or a filler cushion.

### How wide is a hospital bed?

The mattress on a standard hospital bed is about 900-915 mm (35-36 inches) wide. The frame with side rails fitted is usually 950-1050 mm (37-41 inches) wide. Bariatric beds are wider, commonly 42 to 54 inches across the mattress.

### Is a hospital bed mattress the same as a twin XL?

Close, but not identical. A residential twin XL is 38 x 80 inches, while a standard hospital bed mattress is usually 35-36 x 80 inches. A twin XL is often too wide for rails to sit correctly, which can open gaps where a patient could become trapped. Use the mattress size the bed manufacturer specifies.

### How much does a hospital bed weigh?

Weight varies widely by type. A basic home-care or manual ward bed is commonly somewhere around 50-100 kg (110-220 lb) without the mattress, while fully featured electric ICU beds can weigh well over 150 kg. For installation and freight planning, ask the manufacturer for net and gross weight from the packing list.

### What size is a bariatric hospital bed?

Bariatric beds typically offer mattress widths of 42, 48 or 54 inches (about 1070, 1220 or 1370 mm), with some up to 60 inches, and lengths of 80 to 88 inches. The overall frame is wider again, so check door widths and lift dimensions before ordering.

### Are there full size or queen size hospital beds?

Yes. Wider beds roughly equivalent to a full (around 54 inches) or queen (around 60 inches) are sold mainly as bariatric or home-care models. They need matching wide mattresses and rails, and they are rarely practical in standard hospital rooms because of door and corridor widths.