How Much Does a Bathtub Weigh?

How Heavy Is a Bathtub?

The average bathtub weighs between 60 and 80 pounds. However, there are many factors that can affect the weight of a bathtub, including the material it is made from, its size, and its shape.

In this article, we will discuss the different factors that contribute to the weight of a bathtub, and we will provide a table of average bathtub weights for different materials and sizes. We will also discuss how to determine the weight of a specific bathtub, and we will provide tips for safely lifting and moving a bathtub.

So, if you’re ever wondering how heavy a bathtub is, read on!

Bathtub Material Weight (lbs) Notes
Cast Iron 300-400 Heaviest type of bathtub
Steel 200-300 Less heavy than cast iron
Fiberglass 100-200 Lightest type of bathtub
Acrylic 100-200 Lightweight and durable

Factors Affecting Bathtub Weight

The weight of a bathtub can vary significantly depending on a number of factors, including the material it is made from, its size, shape, and additional features.

Material

The material used to make a bathtub is one of the biggest factors affecting its weight. The most common materials used for bathtubs are acrylic, cast iron, fiberglass, and steel.

  • Acrylic bathtubs are lightweight and easy to install, making them a popular choice for bathrooms with limited space. They typically weigh between 50 and 75 pounds.
  • Cast iron bathtubs are the heaviest type of bathtub, weighing between 200 and 300 pounds. They are very durable and long-lasting, but they can be difficult to install and move.
  • Fiberglass bathtubs are a good option for those who want a bathtub that is lightweight and affordable. They typically weigh between 75 and 100 pounds.
  • Steel bathtubs are a good option for those who want a bathtub that is durable and affordable. They typically weigh between 100 and 150 pounds.

Size

The size of a bathtub also affects its weight. Larger bathtubs are heavier than smaller bathtubs. A standard-sized bathtub measures 60 inches long by 30 inches wide by 18 inches deep and weighs between 100 and 150 pounds. A larger bathtub, such as an oversized bathtub or a whirlpool bathtub, can weigh up to 500 pounds.

Shape

The shape of a bathtub also affects its weight. The most common bathtub shape is the rectangular bathtub. Rectangular bathtubs are typically lighter than other shapes, such as oval or corner bathtubs.

Additional Features

Bathtubs with additional features, such as whirlpool jets or built-in shelves, are typically heavier than basic bathtubs. Whirlpool jets add weight to a bathtub because they require a pump and plumbing. Built-in shelves add weight because they are made of heavy materials, such as wood or stone.

Average Bathtub Weight

The average bathtub weight can vary depending on the factors discussed above. However, the following table provides a general overview of the average weight of bathtubs by material, size, and shape.

Material Size Shape Average Weight
Acrylic Standard Rectangular 50-75 pounds
Cast iron Standard Rectangular 200-300 pounds
Fiberglass Standard Rectangular 75-100 pounds
Steel Standard Rectangular 100-150 pounds
Acrylic Oversized Oval 100-150 pounds
Cast iron Oversized Oval 300-400 pounds
Fiberglass Oversized Oval 150-200 pounds
Steel Oversized Oval 200-250 pounds

It is important to note that the weight of a bathtub can vary significantly from one manufacturer to another. Therefore, it is always best to check the weight of a bathtub before you purchase it.

How Heavy Is a Bathtub?

The weight of a bathtub can vary depending on the material it is made from, its size, and its shape. In general, cast iron bathtubs are the heaviest, while acrylic bathtubs are the lightest.

Cast Iron Bathtubs

Cast iron bathtubs are made from a dense material that is poured into a mold and then allowed to cool and harden. This process creates a bathtub that is very strong and durable, but also very heavy. Cast iron bathtubs typically weigh between 400 and 600 pounds.

Acrylic Bathtubs

Acrylic bathtubs are made from a lightweight plastic material that is molded into a bathtub shape. This process creates a bathtub that is relatively thin and lightweight, making it easy to install and move. Acrylic bathtubs typically weigh between 100 and 200 pounds.

Other Materials

Bathtubs can also be made from other materials, such as fiberglass, steel, and copper. These materials all have different weights, so the weight of a bathtub will vary depending on the material it is made from.

How to Determine the Weight of a Bathtub

If you are not sure how much a bathtub weighs, there are a few ways to determine its weight.

Weighing the Bathtub

The most accurate way to determine the weight of a bathtub is to weigh it on a scale. To do this, you will need to remove the water from the bathtub and then place it on a scale. The weight of the bathtub will be displayed on the scale.

Using a Bathtub Weight Calculator

If you do not have a scale, you can use a bathtub weight calculator to estimate the weight of a bathtub. Bathtub weight calculators are available online and in home improvement stores. To use a bathtub weight calculator, you will need to enter the dimensions of the bathtub and the material it is made from. The calculator will then estimate the weight of the bathtub.

Safety Concerns Related to Bathtub Weight

The weight of a bathtub can pose a safety hazard if it is not installed correctly. A bathtub that is too heavy can be difficult to move, and it can also be dangerous if it falls over. Additionally, a bathtub that is not properly supported can cause structural damage to the home.

Falls

One of the biggest safety concerns related to bathtub weight is the risk of falls. A bathtub that is too heavy can be difficult to get in and out of, and it can also be difficult to move around in. This can increase the risk of falls, especially for elderly people or people with disabilities.

Structural Damage

A bathtub that is not properly supported can cause structural damage to the home. If the bathtub is too heavy, it can put too much stress on the floor joists and other structural components of the home. This can eventually lead to cracks in the floor, bowing of the walls, and other structural problems.

Water Damage

A bathtub that is not properly installed can also cause water damage to the home. If the bathtub leaks, it can cause water to seep into the floor and walls. This can lead to mold growth, structural damage, and other problems.

The weight of a bathtub is an important factor to consider when choosing a bathtub. The weight of the bathtub will affect its ease of installation, its safety, and its potential to cause damage to the home. By understanding the weight of a bathtub and the safety concerns associated with it, you can make an informed decision about the best bathtub for your home.

How heavy is a bathtub?

The weight of a bathtub can vary depending on the material it is made from, its size, and its shape.

  • Cast iron bathtubs are the heaviest, weighing between 300 and 600 pounds.
  • Steel bathtubs are lighter than cast iron bathtubs, weighing between 200 and 300 pounds.
  • Fiberglass bathtubs are the lightest, weighing between 75 and 150 pounds.

The size and shape of a bathtub can also affect its weight. A larger bathtub will weigh more than a smaller bathtub, and a bathtub with a complex shape will weigh more than a bathtub with a simple shape.

In general, you can expect a standard-sized bathtub to weigh between 200 and 300 pounds.

What is the heaviest bathtub ever made?

The heaviest bathtub ever made was a cast iron bathtub that weighed 1,400 pounds. It was created by the American company, Kohler, in 1914.

How much does it cost to install a bathtub?

The cost of installing a bathtub can vary depending on the type of bathtub you choose, the size of the bathtub, and the complexity of the installation.

  • Cast iron bathtubs are the most expensive to install, costing between $1,500 and $3,000.
  • Steel bathtubs are less expensive to install, costing between $1,000 and $2,000.
  • Fiberglass bathtubs are the least expensive to install, costing between $500 and $1,000.

The cost of installation can also be affected by the need for additional plumbing or electrical work.

How do I move a bathtub?

Moving a bathtub can be a difficult and dangerous task, so it is important to take precautions to avoid injury.

  • Before you begin, make sure that the bathtub is empty and disconnected from all plumbing and electrical lines.
  • If the bathtub is made of cast iron, you will need to use a bathtub jack to lift it.
  • If the bathtub is made of steel or fiberglass, you can use a dolly or hand truck to move it.
  • Be careful not to drop or damage the bathtub.
  • Have someone help you move the bathtub if it is too heavy for you to lift alone.

How do I clean a bathtub?

To clean a bathtub, you will need:

  • A bathtub brush
  • A mild detergent
  • A bucket of water
  • A squeegee

1. Fill the bathtub with warm water and add a mild detergent.
2. Use the bathtub brush to scrub the inside and outside of the bathtub.
3. Rinse the bathtub with clean water.
4. Use the squeegee to remove any water from the bathtub.
5. Dry the bathtub with a towel.

How do I prevent a bathtub from leaking?

There are a few things you can do to prevent a bathtub from leaking:

  • Make sure that the bathtub is installed properly. The bathtub should be level and the drain should be properly sealed.
  • Inspect the bathtub regularly for any signs of damage or wear. If you see any cracks or leaks, have the bathtub repaired or replaced.
  • Use a sealant around the bathtub drain to prevent water from seeping out.
  • Keep the bathtub clean and free of debris. Debris can clog the drain and cause water to overflow.

By following these tips, you can help prevent a bathtub from leaking.

the weight of a bathtub can vary depending on its size, material, and construction. The average bathtub weighs between 60 and 80 pounds, but some models can weigh as much as 200 pounds. When choosing a bathtub, it is important to consider the weight of the tub itself as well as the weight of the water and any other materials that will be added to the tub. By understanding the factors that affect the weight of a bathtub, you can make an informed decision about which type of tub is right for you.

Author Profile

Liana Farrell
Liana Farrell
Liana Farrell is the owner of toiletty.com. She is a mom of two and is very passionate about home improvement.

Liana has ten years of home improvement experience, and in her own words, she said: “I love improving the home, and I’m very passionate about keeping the home in the best possible condition. I love it!”

Liana Farrell balances beauty and functionality when she goes about her home improvement jobs.