When shopping for bathroom fixtures, you will likely encounter the term “handing” (or “handed”) in various contexts. This can be a source of confusion because the definition of handing can change depending on the product type and even the manufacturer.
In the case of new bathtubs, the concept of handing is generally straightforward. However, there are nuances that differ between certain product categories and brands. This guide aims to cover everything you need to know about bathtub orientation, including:
- What is Bathtub Handing?
- Do All Tubs Have an Orientation?
- The Difference Between Left-Handed and Right-Handed Tubs
- Exceptions to Standard Handing Rules
- Why Orientation is Important
- How to Measure for and Order the Correct Handed Tub
What is Bathtub Handing?
The orientation, or handing, of a tub essentially defines its design and the specific direction or position in which it must be installed within a space.
While the exact criteria can be debated, two elements most commonly determine the handing of a tub: which end of the tub is designated for bathing, and which side is intended to sit flush against the bathroom wall.
It is essential to correctly identify the required orientation before purchase to ensure the tub fits your layout. An incorrect order can lead to the expense of re-ordering, or the costly and time-consuming procedure of reconfiguring your entire bathroom’s pipework.

Do All Tubs Have an Orientation?
No, not all tubs have a specific orientation. For most standard models, the direction of installation is either obvious or universal (meaning it can be dictated purely by preference).
Handing typically applies only to certain fixture types:
- Combination Tubs (e.g., L- or P-shaped)
- Corner and Offset Tubs
- Standard fitted tubs (both polymer and metal)
- Most standalone tubs do not have a handing, with the exception of those that fall into the combination or corner categories.
The following section explains how orientation is determined for these types.
The Difference Between Left-Handed and Right-Handed Tubs
While exceptions exist (discussed below), the standard definition is based on where the functional or widest part of the tub is located relative to the wall.
Left-Handed Tubs
A left-handed tub is a model intended to be installed with the key functional end or side positioned against the wall on the user’s left-hand side.
- For Left-Handed Combination Tubs: The widest section (the showering component) will be on the left side when viewed from the front. This wide end is positioned against the wall to accommodate the shower system.
- For Left-Handed Corner/Offset Tubs: These models, which feature one curved and one straight end, are installed with the straight end flush against the wall on the left, with the opposing curved end on the right.
- In all standard cases, the dedicated bathing end of the tub will be on the right-hand side. The bathing end is typically designed with a more reclined, comfortable slope, away from the overflow or faucets.
Right-Handed Tubs
Right-handed tubs are defined in the exact opposite manner.
- For Right-Handed Combination Tubs: The widest part or shower end is installed against the wall on the right-hand side.
- For Right-Handed Corner/Offset Tubs: The straight end is installed with the wall on the right-hand side, and the curved end is on the left.
- The bathing end would be positioned on the left-hand side of the tub when installed.

Exceptions to the Standard Way of Tub Handing
Certain manufacturers, particularly those specializing in metal tubs, sometimes deviate from the standard definitions outlined above. When considering tubs from these makers, pay close attention to their specific classification.
Some manufacturers define tub handing based on two elements: the bathing end and the position of the overflow. For simplicity, we will assume the overflow is positioned along the back of the tub (the long side that sits against the wall).
- Left-Handed Metal Tubs: These have the bathing end positioned to the left of the tub (when viewed lengthways) and the overflow along the back. The bathing end is identified by its sloping shape, contrasting with the straight edge at the opposite end.
- Right-Handed Metal Tubs: These have the bathing end positioned to the right of the tub.
Note on Rotation: These tubs can often be rotated 180 degrees. If a left-handed tub is rotated, the bathing end will be on the right, but the overflow will now be on the near side. Always verify which configuration the manufacturer uses when defining “handing.”
Why Does Handing Matter?
A handed tub is only necessary if your spatial requirements or personal preferences dictate a specific orientation. Many people choose to install non-handed, universal models to avoid the complication.
However, orientation becomes important for several reasons:
- Optimizing Space: In smaller bathrooms, opting for a handed tub (especially a curved or J-shaped design) can save a few inches of floor space, making the room feel less confined.
- Cost Savings: Selecting a tub orientation that matches the plumbing of a previous fixture is an effective way to avoid the additional expense of rerouting the water supply and drainage.
- Functionality: For combination tubs, it is ideal for the showering side to be near the water supply, and the orientation of the tub shower screen must also be considered for usability and water containment.
- Accessibility: If reconfiguring the tub’s orientation compromises access to the room or other fixtures, the layout needs to be reconsidered.

Factors Affecting Which Handing is Required
- Existing Room Layout: In most standard-sized homes, the tub’s orientation is often dictated by the existing structure. If the tub can only fit in one specific location, only one particular handed direction will be viable.
- Size of the Room: Larger bathrooms offer more flexibility, but smaller bathrooms severely restrict the choice of size, shape, and potentially the required orientation to ensure the space remains practical.
- Existing Water Supply Location: Sticking with the current location of the plumbing is often the most cost-effective solution. Finding a tub design that suits the existing water inlet and drain configuration avoids expensive replumbing.
- Personal Preference: Ultimately, your personal choice about how the bathroom should look and which orientation best fits your aesthetic vision is the biggest deciding factor.
Measuring for a Handed Tub
When measuring for a handed tub, first confirm the dimensions of the available installation space. Measuring the space—and the existing tub, if applicable—will give you a clear indication of the size needed. (Remember that surrounding bathroom tiles can sometimes reduce the perceived space.)
- Shaped Tubs: For non-rectangular combination tubs (L-shaped, P-shaped, etc.), there are two width dimensions because one end is wider than the other (e.g., 1700mm x 850/700mm). The larger width corresponds to the showering area. When measuring your space, always verify that the widest part of the tub will fit seamlessly into the area without protruding into the room and hindering navigation.
- Straight Tubs: For straight handed tubs, simply measure the length, height, and outward depth from the walls.



