A standard bathtub is usually 60 inches (5 feet) long, which fits most bathrooms and provides a comfortable bathing experience. However, other bathtub sizes are also available in markets, depending on the type and layout of the bathroom. Freestanding bathtubs range from 55 to 72 inches. Corner bathtubs are usually 60 to 72 inches on each side. Soaking and clawfoot bathtubs come in varied sizes, providing a deeper bathing experience.
Table of Contents
Standard Bathtub Sizes
Type of Bathtub | Length | Width | Height |
---|---|---|---|
Alcove Bathtub | 60 (inch) | 30–32 inches | 14–20 inches |
Freestanding Bathtub | 55–72 inches | 27–32 inches | 15–25 inches |
Corner Bathtub | 60–72 inches | 36–60 inches | 18–22 inches |
Soaking Bathtub | 60–72 inches | 30–40 inches | 18–24 inches |
Clawfoot Bathtub | 54–72 inches | 30–36 inches | 20–30 inches |
1. Alcove Bathtub

An alcove bathtub is the most common type of bathtub, especially for bathrooms with limited space. It typically measures 60 inches in length, 30 inches in width, and 14 to 16 inches in height. These bathtubs fit neatly into a three-wall enclosure, making them a perfect option for smaller or standard-sized bathrooms. The design maximizes available space while offering a comfortable bathing experience. Alcove tubs are also available in different sizes, but the 60-inch model is the standard. They are easy to install and are often a good choice for homeowners looking for a simple, functional, and space-saving bathtub.
2. Freestanding Bathtub

A freestanding bathtub does not need walls for support, so you can place it anywhere in the bathroom. These bathtubs come in sizes ranging from 55 to 72 inches in length and 27 to 32 inches in width. Many homeowners choose freestanding tubs for their stylish appearance and flexibility in placement. Since they are not attached to walls, they create a focal point in the bathroom. However, they require more floor space than alcove bathtubs. If you select a freestanding tub, install it with careful plumbing placement and leave enough room for easy access and cleaning.
3. Corner Bathtub

A corner bathtub fits neatly into a corner, making it a great choice for saving space while still providing a luxurious feel. These tubs typically measure between 60 to 72 inches in length and corner widths range from 40 to 60 inches, depending on the design. Many models have a curved or triangular shape, offering more interior space for a comfortable soak. Corner bathtubs work well in larger bathrooms. It is the smart choice to utilize unused corners. If you select a corner tub, consider the bathroom layout, check the plumbing location, and ensure there is enough floor space for installation and access.
4. Soaking Bathtub

A soaking bathtub holds more water than standard tubs. These tubs come in different sizes, but most range from 60 to 72 inches long and 30 to 40 inches wide. They are designed for full-body immersion, making them a great choice for those who enjoy long soaks. Many models have extra depth, typically 18 to 24 inches, which keeps the water warm for a long time. Some soaking tubs also come with ergonomic designs or built-in lumbar support for added comfort. When choosing a soaking tub, consider the bathroom size, water capacity, and whether the water heater can handle the additional volume.
5. Clawfoot Bathtub

A clawfoot bathtub is a type of soaking tub that stands on four decorative feet instead of being built into the floor or walls. These tubs usually measure 54 to 72 inches in length and 30 to 36 inches in width. They add a classic, vintage style to the bathroom while providing deep soaking comfort. Before installing, check the available space, ensure the plumbing is compatible, and confirm that the floor structure can support the tub’s weight, especially when filled with water.
How to Choose a Bathtub Size
Your bathroom’s size will determine which tub fits best. Measure the space to ensure it works with your layout. Consider your budget, style, and plumbing setup before making a final choice.
Bathroom Space
Measure the length, width, and depth of your available space before selecting a bathtub. Make sure there is enough room for movement, plumbing connections, and any additional features like storage or shower attachments. Consider the layout of your bathroom to determine whether an alcove, freestanding, corner, or soaking tub will fit best.
Bathroom Style
Choose a bathtub that matches your bathroom’s design. Freestanding and clawfoot tubs add a luxurious or vintage feel, while alcove and corner tubs work well in modern, space-saving layouts. If you want a spa-like experience, consider soaking or whirlpool tubs with deeper dimensions.
Budget
The cost of a bathtub depends on its material, size, and style. Alcove tubs are usually the most affordable, making them a practical choice for many homeowners. They fit into smaller spaces and require minimal installation work. Freestanding and clawfoot tubs are more expensive because of their elegant design and high-quality materials.
Installation
The installation process depends on the type of bathtub you choose. Alcove tubs fit into a three-wall enclosure, making them a space-efficient option for smaller bathrooms. Freestanding and clawfoot tubs require open space and a strong floor to support their weight, especially if made of heavy materials like cast iron. Corner tubs help maximize bathroom layouts but may need plumbing adjustments to fit properly.
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FAQs
What is the maximum length of a bathtub?
The longest bathtubs available usually measure around 84 inches (7 feet) long. These extra-large tubs are designed for luxury spaces and allow for full-body stretching and deep soaking. However, most oversized bathtubs typically range from 72 to 80 inches long.
How much space is needed for a standard bathtub?
A standard bathtub is usually 60 inches (5 feet) long and 30 to 32 inches wide. To install it comfortably, you should have at least 6 feet of space in length and around 3 to 4 feet in width to allow for plumbing, clearance, and easy access.
How long is a two-person bathtub?
A two-person bathtub is generally between 66 to 80 inches long and 36 to 48 inches wide. The exact size depends on the design, but most models are at least 72 inches (6 feet) long to accommodate two adults comfortably.
How to measure for a bathtub?
To measure for a bathtub, follow these steps:
- Length – Measure from one end of the tub space to the other.
- Width – Measure from the back wall to the front edge of the tub area.
- Height/Depth – Measure from the base of the tub to the top edge.
- Drain Location – Check whether the drain is on the left, right, or center for compatibility with plumbing.
What is the best depth for a bathtub?
The ideal bathtub depth for a comfortable soak is usually 18 to 24 inches. Deeper tubs, like soaking or clawfoot bathtubs, provide better water coverage.