Water conversion
How many water bottles make a gallon?
Answer
A US gallon (128 oz) is about 7.6 of the standard 16.9 oz (500 ml) water bottles. If you use a 32 oz bottle it's 4 refills, and a 1-litre bottle takes about 3.8 refills. The exact count depends on your bottle size.
MRWritten by Maya Renner, Hydration & nutrition writerReviewed
Bottles come in many sizes, so 'bottles per gallon' depends entirely on the bottle. Here are the common ones.
| Bottle size | Refills per gallon | Millilitres |
|---|---|---|
| 8 oz | 16 | 237 |
| 16.9 oz (500 ml) | 7.6 | 500 |
| 24 oz | 5.3 | 710 |
| 32 oz | 4 | 946 |
| 40 oz (Stanley) | 3.2 | 1183 |
Prefer to think in your own bottle? The calculator shows refills for your size.
See your own number
Conversions are handy, but your real goal depends on your body. Get it in seconds.
Frequently asked
How many 16.9 oz bottles make a gallon?
It takes about 7.6 of the 16.9 oz (500 ml) bottles to make one US gallon of 128 ounces.
How many 32 oz bottles are in a gallon?
Exactly 4 thirty-two-ounce bottles make a US gallon.