Water conversion
How many ounces of water are in a litre?
Answer
One litre of water equals 33.8 US fluid ounces. So 2 litres is about 67.6 ounces and 3 litres is roughly 101 ounces. If your daily goal is set in ounces, divide by 33.8 to see it in litres — 100 oz is just under 3 litres.
MRWritten by Maya Renner, Hydration & nutrition writerReviewed
Using US fluid ounces, 1 litre = 33.814 fl oz. This is the figure behind common targets like 64 oz (≈1.9 L) and 100 oz (≈3 L).
| Litres | Fluid ounces | 16.9 oz bottles |
|---|---|---|
| 0.5 | 16.9 | 1 |
| 1 | 33.8 | 2 |
| 1.5 | 50.7 | 3 |
| 2 | 67.6 | 4 |
| 2.5 | 84.5 | 5 |
| 3 | 101.4 | 6 |
A 2 litre goal is about 68 ounces, or four 16.9 oz bottles.
See your own number
Conversions are handy, but your real goal depends on your body. Get it in seconds.
Frequently asked
How many ounces is 2 litres of water?
2 litres of water is about 67.6 US fluid ounces.
How many ounces is 3 litres of water?
3 litres of water is about 101.4 US fluid ounces.