How to Measure a Bathtub for Replacement

Measuring a bathtub before shopping for a replacement is important to ensure that the new model fits your existing bathroom setup. Without proper measurements, you may end up with a tub that doesn’t align with the room’s other features or one that is too small or large to be effective. By taking accurate measurements, you can avoid costly mistakes and save time in the process.

How to Measure a Bathtub for Replacement

One of the main advantages of measuring your bathtub for a replacement is that you will be able to get an accurate measurement with precision. This makes it easier for you to purchase a new tub of the correct size, ensuring that it will fit into your bathroom space and not require any additional work for installation.

Furthermore, taking measurements helps you avoid costly mistakes and the hassle of returning unsuitable bathtubs. You can find step-by-step instructions on how to measure a bathtub for replacement in this blog article.

Step-by-step Instructions for How to Measure a Bathtub for Replacement

Step 1: Inspect the Area

Before you begin to measure, take a look around the bathroom and identify any obstacles that may be in your way. Make a note of things such as windows, doors, or other fixtures that may get in the way while taking measurements.

Step 2: Measure the Length & Width

Use a tape measure to find the length and width of the bathtub. Measure from the longest points, making sure to include any protrusions or curves that extend outside of the tub’s walls. Find the height of the bathtub by measuring from the floor to its highest point.

Step 3: Measure From Wall Studs

If your bathtub is against a wall of your home, you’ll need to measure from the nearest wall studs. To do this, use a stud finder and mark off the distance from the edge of the tub to each wall stud. Check for any flanges extending around the outside of your bathtub and measure their width. This will help you determine what size replacement tub you need to purchase.

Step 4: Measure Skirt Length

Measure the length of any skirt or apron extending from your tub’s side. This will help ensure you get a new bathtub with the same coverage. Check the location of the drain in your bathtub. You’ll need to ensure that your replacement tub has a compatible drain design to fit properly.

Step 5: Measure Faucet Location

In addition to measuring the drain, you’ll also need to measure where the faucet is located on your current tub. Make sure that you get a new tub with the same faucet location as your current one. Measure from the top of the bathtub rim to the floor to determine what size and type of replacement tub you need.

Get a New Tub With the Same Faucet Location

Step 6: Note Any Special Features 

If your current bathtub has any special features such as a tile deck, Jacuzzi jets, or other upgrades it’s important to make note of them. You don’t want to purchase a replacement tub without the same features if your existing tub has them.

By following these steps for measuring a bathtub for replacement, you’ll be able to get the perfect fit for your bathroom. Make sure to take measurements and double-check them before you make purchases.

Tips for How to Measure a Bathtub for Replacement

  1. Before starting your measurement process, ensure you have all the necessary tools, such as a tape measure.
  2. Unplug any electrical appliances in the bathroom before beginning to avoid any potential hazards associated with electricity and water.
  3. Take extra precautions when dealing with wet surfaces or measuring around plumbing fixtures to prevent injury or accidental damage.
  4. Wear non-slip shoes for extra safety when measuring the bathtub and other surfaces in the bathroom. 
  5. Check the size of your current bathtub before attempting to measure it yourself, as an exact fit is essential for a successful installation.
  6. Be careful not to drop your tape measure into the tub when measuring accidentally.
  7. Have a helper nearby to assist in the measuring process, as some measurements may be better taken with two people present. 

By following these tips, you can ensure that you measure your bathtub for replacement accurately and safely. With the right measurements, you can confidently choose the perfect bathtub for your bathroom to enjoy for many years to come.

Are There Any Other Considerations You Should Make Before Replacing Your Old Tub With a New One? 

Once you have accurately measured your existing bathtub and have determined the correct size replacement, there are other factors to consider before purchasing a new one.

Accurately Measure Your Existing Bathtub

Make sure to research the different types of tubs available to ensure you purchase the right one for your needs. Think about what type of material it is made from, whether it has a slip-resistant surface, and if you want any safety features. 

Also, consider the installation process when shopping for a new bathtub. If you plan to install it yourself, ensure you have the right tools and instructions. If hiring a professional installer, ensure they are certified and experienced with a bathtub installation. Finally, take into account any necessary alterations to the space surrounding your tub.

Depending on the size of your new tub, it may require more floor or wall space than what you currently have available. Be sure to check these details before purchasing your bathtub replacement.

What Are the Most Common Mistakes Made While Measuring a Bathtub for Replacement? 

Measuring is one of the most important steps when it comes to replacing a bathtub. However, even the most experienced do-it-yourselfers can make mistakes when taking measurements for a new tub. Here are some common mistakes that people make when measuring their bathtubs for replacement:

  • Not Accounting for Walls or Other Obstacles: When taking measurements for a bathtub, it is important to consider any walls or other obstacles surrounding the tub. Measure the exact width and length of your bathtub to ensure you buy one that fits your space.
  • Measuring From Outside of Walls: When measuring for a new bathtub, it is important to measure from the inside of any walls or other obstacles that may be surrounding the tub. This will ensure you buy a tub that fits your exact measurements and prevents installation issues.
  • Not Accounting for Accessories: If you are replacing an existing bathtub, measure any accessories attached to it before making your purchase. This includes shower doors, curtains, and other features that could affect the size of the bathtub you need.
Replacing an Existing Bathtub

By avoiding these common mistakes when measuring for a new bathtub, you can ensure that you have an easy installment process and can enjoy your new tub for years to come.

What is the Best Way to Ensure Accuracy When Measuring a Bathtub for Replacement? 

When measuring a bathtub for replacement, accuracy is essential to ensure an ideal fit. Poor measurements may result in a tub that looks out of place or has difficulty connecting with the plumbing. To guarantee accuracy with your measurements, follow these steps:

  • Measure the outside length and width of the bathtub using a tape measure. Make sure to record these measurements carefully.
  • Measure the distance from the wall studs to the edge of the bathtub, then measure up and down each side. These measurements will provide valuable insight when you are selecting a replacement tub that fits inside your existing space.
  • If you have an alcove-style bathtub, measure the height of the walls that surround it. This measurement will help you decide what size tub to purchase.
  • Take a look at the shape of your bathtub and record whether it is round or square. This will be useful when searching for a replacement tub of a similar shape.
  • Note any additional features that your tub may have, such as seats or jets. This will also help you choose the right replacement bathtub.

With these measurements in hand, you are now ready to find the perfect bathtub for replacement. Be sure to double-check all of your measurements before making a purchase and consult with a professional if needed.

Choose the Right Replacement Bathtub

Conclusion

In conclusion,  measuring a bathtub for replacement is not an intimidating task. With the right tools and measurements, you can easily ensure that the new tub will fit perfectly in your bathroom. 

Take accurate external and internal measurements, identify the appropriate clearance space around the tub, and use these steps to ensure your new bathtub fits effortlessly into your bathroom. 

Furthermore, consider the material of the new tub to guarantee a lasting, durable finish. I hope reading this post has helped you learn how to measure a bathtub for replacement. Make sure the safety precautions are carried out in the order listed.

Photo of author

Jennifer Branett

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