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Wondering how many water bottles are in a gallon?

No worries, I will do the math and let you know how many 16.9-ounce bottles of water equal a gallon in case you only drink bottled water at this size.

Or perhaps you want to know how many water bottles equal half a gallon because health experts recommend you to drink half a gallon of water a day?

Well, you will find out all the answers you want in this article.

**Table of Content**show

## How Many Water Bottles Are in a Gallon?

To calculate how many 16.9 oz bottles of water equal a gallon, we need to know how many ounces in a gallon first. According to the United States customary system, a gallon is equal to 128 fluid ounces.

1 gallon (US) = 128 ounces

1 water bottle = 16.9 ounces

Then, we divide 128 ounces by 16.9 ounces to calculate how many water bottles equal a gallon.

128 ounces / 16.9 ounces = 7.574 water bottles

As there’s no half bottle of water, we round up the 7,574 to 8.

Answer: 8 water bottles (16.9 oz).

## How Many Water Bottles Equal Half a Gallon?

To calculate how many 16.9 oz bottles of water equal half a gallon, we can reuse the information from the previous question.

1 gallon (US) = 128 ounces

0.5 gallon (US) = 128 / 2 = 64 ounces

1 water bottle = 16.9 ounces

64 ounces / 16.9 ounces = 3.787 = 4 water bottles (rounded up)

Alternatively, since we know there are 8 water bottles in a gallon, we can simply divide 8 by 2 which equals 4 water bottles of 16.9 ounces.

Answer: 4 water bottles (16.9 oz).

## How Many Water Bottles Are in a 2.5-Gallon Water Bottles?

Here’s the quick math:

1 gallon (US) = 128 ounces

2.5 gallon (US) = 128 x 2.5 = 320 ounces

1 water bottle = 16.9 ounces

To calculate how many water bottles are in a 2.5-gallon water bottle:

320 / 16.9 = 18.93 = 19 water bottles (rounded up)

Answer: 19 water bottles.

## How Many Water Bottles Are in 3 Gallons?

Here’s the quick math:

1 gallon (US) = 128 ounces

3 gallon (US) = 128 x 3 = 384 ounces

1 water bottle = 16.9 ounces

To calculate how many water bottles are in 3 gallons

384 / 16.9 = 22.72 = 23 water bottles (rounded up)

Answer: 23 water bottles.

## How Many Water Bottles Equal 5 Gallons?

If you want to calculate how many 16.9 oz water bottles are in a 5-Gallon water bottle, here’s the simple math:

1 gallon (US) = 128 ounces

5 gallon (US) = 128 ounces x 5 = 640 ounces

Then, divide 640 ounces by 16.9 ounces to find out how many 16.9 oz water bottles equal one 5-gallon water bottle.

1 water bottle = 16.9 ounces

640 ounces / 16.9 ounces = 37.87 = 38 water bottles (rounded up)

Answer: 38 water bottles.

## How Many Water Bottles Should I Drink a Day?

If you want to know how many water bottles to drink a day, here’s the simple math:

Recommended water intake: 8 glasses of water = 8 x 8 oz = 64 oz

1 water bottle = 16.9 oz

To calculate how many 16.9 oz water bottles equal to 64 ounces of water:

64 / 16.9 = 3.787 = 4 water bottles (rounded up)

Therefore, you should drink 4 water bottles of 16.9 oz in a day (at least).

Answer: 4 water bottles.

## How Much Water is Too Much in a Day?

It depends on your body size, climate, and the activities on that day.

For instance, when the weather is hot, I can easily drink up to 1 gallon of water a day, which is about 8 water bottles of 16.9 oz.

Also, drinking a half-gallon of water in an hour is different from drinking a half-gallon of water throughout a day, the latter is better than the former.

I’d say between 0.5 gallons to 1 gallon is an appropriate amount of water that you should drink daily, which is equal to 8 to 16 water bottles of 16.9 oz.

And above 1.05 gallons (4 liters) could be too much for some people.

Answer: 1.05 gallons (4 liters) and above.

## How Many 16.9 fl oz Water Bottles Equals 1 Liter?

To know how many 16.9 oz water bottles in a 1 liter, here’s the math:

1 gallons (US) = 128 ounces

1 gallons (US) = 3.785 liter

1 liter = 33.81 ounces

Then, divide the 33.81 ounces by 16.9 ounces, we will get:

33.81 / 16.9 = 2 water bottles

Answer: 2 water bottles.

## How Many Cups Are in a Water Bottle?

To calculate how many cups are in a water bottle, we need to know how many ounces are in a cup, and here’s the math:

1 cup = 8 ounces

1 water bottle = 16.9 ounces

16.9 / 8 = 2.11 = 2 cups (rounded down)

Answer: 2 cups.

## Common Water Unit Conversions and Standards (US Liquid)

- 1 gallons (gal) = 128 ounces (fl. oz.)
- 1 gallons (gal) = 3.785 liter (L)
- 1 liter (L) = 33.81 ounces (fl. oz.)
- 500 milliliter (mL) = 16.9 ounces (fl. oz.)
- 1 cup (c.)= 8 ounces (fl. oz.)
- 1 glass = 8 ounces (fl. oz.)
- 1 tablespoon (tbsp.) = 3 teaspoon (tsp.)
- 1 ounces (fl. oz.) = 2 tablespoon (tbsp.)
- 1 shot (jig.) = 1.5 ounces (fl. oz.)
- 1 gill (gi.) = 4 ounces (fl. oz.)
- 1 pint (pt.) = 2 cups (c.) or 16 ounces (fl. oz.)
- 1 quart (qt.) = 2 pint (pt.)
- 1 pottle (pot.) = 2 quart (qt.)
- 1 gallon (gal) = 4 quart (qt.)
- 1 barrel (bbl.) = 31.5 gallon (gal)

## Gallon in the US vs Gallon in the UK

Please note that a gallon in the US is different from a gallon in the UK due to the different unit measurement systems.

### United States Customary System (US)

- 1 gallon (US) = 128 fluid ounces
- 1 gallon (US) = 3.785 liter
- 1 gallon (US) = 7.574 = 8 water bottles of 16.9 oz (rounded up)

### Imperial System of Units (UK)

- 1 gallon (UK) = 160 fluid ounces
- 1 gallon (UK) = 4.546 liter
- 1 gallon (UK) = 9.46 = 10 water bottles of 16.9 oz (rounded up)

## FAQ

### 1. How many water bottles are in a gallon?

8 water bottles of 16.9 oz.

### 2. How many water bottles equal half a gallon?

4 water bottles of 16.9 oz.

### 3. How many water bottles are in a 2.5-gallon water bottle?

19 water bottles.

### 4. How many water bottles are in 3 gallons?

23 water bottles.

### 5. How many water bottles equal 5 gallons?

38 water bottles.

### 6. How many water bottles should I drink a day?

4 water bottles of 16.9 oz (minimum).

### 7. How many 16.9 fl oz water bottles equals 1 liter?

2 water bottles.

### 8. How many cups are in a water bottle?

2 cups.

### 9. How many ounces of water are in a cup?

8 ounces.

### 10. How much water is too much in a day?

1.05 gallons (4 liters) and above.

## Conclusion

Alright, now you should know how many water bottles are in a gallon, the answer is 8. Because most of the time, we follow the US unit measurement standard for liquid.

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