How to Choose a Bathtub: What to Consider Before Buying the Right Tub for Your Bathroom

Step 1: Measure Your Space, and Your Delivery Path

Start with the room itself. Measure the length, width, and height of where the tub will go, along with how far it needs to sit from the toilet and any other fixtures.

Then measure the path the tub has to travel to get to its destination.

That means the hallway width, stairwell turns, and door width included.

This step gets skipped constantly, and it’s the reason some remodels stall with a tub sitting in a garage because it won’t fit around a hallway corner.

Step 2: Decide on a Tub Type

Once you know your space constraints, the next decision is which category of tub fits your household’s daily routine, and it’s the first real fork in how to pick the right bathtub for your specific bathroom.

If design impact matters most and you have the floor space to spare, a freestanding tub is worth serious consideration.

Our full breakdown in Are Freestanding Bathtubs Worth It? covers who benefits most from that style and what to watch for before committing.

If your bathroom needs to work hard every day, family use, a single shared bathroom, or mobility considerations, a built-in tub is often the more practical choice. Freestanding vs. Built-In Bathtub: Which One Is Better for Your Bathroom? walks through that comparison in detail if you’re still deciding between the two.

And if mobility or aging in place is a real factor for your household, it’s worth reading Are Walk-In Tubs Worth It? before finalizing anything, since that category solves a different problem entirely than a standard soaking tub.

Step 3: Check Standard Bathtub Sizes Against Your Space

Standard bathtub sizes run fairly consistent across most manufacturers.

A common alcove tub measures around 60 inches long and 30 to 32 inches wide, with a soaking depth of 14 to 16 inches.

Soaking tubs run a bit deeper, generally 14 inches or more, while oversized tubs stretch past 70 inches with an even deeper soak.

Standard sizing is a helpful starting reference, but don’t stop there.

Confirm the actual basin size and soaking depth on any specific model you’re considering, since “standard” dimensions don’t guarantee the tub will actually feel comfortable for your height and build.

Step 4: Choose Your Material

Of all the bathtub materials on the market, a few stand out for good reason, and material affects price, weight, heat retention, and how much upkeep the tub needs long term.

Acrylic is one of the most popular choices. It’s lightweight, which reduces concerns about floor reinforcement, holds heat reasonably well, and can be molded into a wide range of shapes, which is why it dominates both the freestanding and built-in categories.

Fiberglass is similar in weight and flexibility but tends to be less durable over time and more prone to surface scratching.

Heavier materials like cast iron or stone composite offer excellent heat retention but come with real floor weight considerations, particularly for second-floor bathrooms.

Step 5: Confirm Your Water Heater Can Actually Fill It

A deep soaking tub can hold anywhere from 50 to 80 gallons.

If your home’s water heater tank holds less than that, roughly 40 to 50 gallons for a standard household unit, you may be filling your dream tub with lukewarm water by the time it’s full.

Before ordering a larger soaking tub, check your water heater’s tank capacity against the tub’s fill volume.

If there’s a meaningful gap, a tankless or larger capacity water heater might be worth budgeting for alongside the tub itself.

WOODBRIDGE 67” Acrylic Freestanding Bathtub

If you’ve landed on freestanding after weighing your space and water heater capacity, the WOODBRIDGE 67” splits the difference nicely between size and manageability.

It pairs a contemporary soaking design with a matte black drain and overflow, giving you a distinct finish option within a trusted product line.

Click here to buy the WOODBRIDGE 67” Acrylic Freestanding Bathtub on Amazon.