# How Much Water Does A Bathtub Hold?

Last updated on March 13th, 2023 at 12:37 pm

Knowing how much water your bathtub holds is important. Perhaps you are in the market for a new bathtub, planning out its location in the home where you will need to know how much it weighs to ensure the floor will hold the weight.

Once you know how much water it will hold, you can determine the weight.

Not all bathtubs are the same in regards to how much water they will hold. Some are larger than others and they can be different styles and shapes.

On average, a standard-size bathtub will hold 80 gallons or 302.83 liters of water.

Smaller bathtubs will hold 40 gallons (151.46 liters) and large ones will hold 100 gallons (378.541 liters).

1 gallon of water = 3.78541 liters.

Now that you know a standard-size bathtub will hold 80 gallons of water, you can figure out its weight.

## How much does a bathtub weigh when filled?

The average weight of water at room temperature is 8.33 pounds per gallon. So 80 gallons of water weighs about 666.4 pounds. If the bathtub is not filled to the top it will weigh less.

You also need to consider the weight of the tub itself plus the weight of the person in it to get the total weight.

The weight of the tub itself will vary depending on what it is made out of. A normal-size acrylic and vinyl bathtub will weigh around 100 pounds while a cast iron and steel bathtubs can weigh around 400 pounds.

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The weight of the bathtub filled with water and a person can easily exceed 1000 pounds.

## How much water does a freestanding bathtub hold?

Freestanding bathtubs are designed to hold 1 person but can be quite large and hold around 100 gallons (378.541 liters) of water.

## How much water does a corner bathtub hold?

Corner bathtubs are smaller than freestanding tubs and hold around 40 gallons (150.164 liters) of water.

## How many gallons of water does a safe step tub hold?

Depending on the size, a walk-in safe step bathtub will hold between 40 and 80 gallons of water.

## How much water does an average person use for a bath?

On average, a regular bath will use 30 gallons of water. This will vary depending on how much water was started with, how much water is displaced when you get in the tub, etc.

## How long does it take to fill a bathtub?

On average, it will take 8-10 minutes to fill a bathtub with water. This time will vary depending on the size of the tub, water pressure in your home, and the size of the pipes being used.

## How much water does a shower use?

The average shower will use 2.5 gallons (9.46 liters) of water per minute. A 10-minute shower will use around 25 gallons (94.635 liters) of water.

## Showers vs baths – which one uses less water?

Knowing that an average person uses 30 gallons of water for a bath and a 10-minute shower will use around 25 gallons of water, the shower will use less water. Providing you don’t shower for longer than 12 minutes.