Reference
Water unit conversions
Litres, glasses, cups, ounces, bottles, and gallons — converted cleanly, and tied back to a daily water goal that actually fits you. Pick a conversion below.
Quick map
Every unit tied back to daily intake.
1 L4 glasses64 oz1.9 L
- How many glasses of water are in a litreOne litre of water is 4 standard 250 ml glasses. See 1L, 2L, and 3L converted to glasses, plus how it maps to your daily water goal.
- How many cups of water are in a litreOne litre of water is about 4.2 US cups. Convert 1L, 2L, and 3L to cups, with a quick chart and your daily goal in cups.
- How many ounces of water are in a litreOne litre of water is 33.8 US fluid ounces. Convert 1L, 2L, and 3L to ounces and back, with a chart tied to your daily water goal.
- How many litres is 64 oz of water64 fluid ounces of water is about 1.9 litres. See what 64 oz means in litres, glasses, and bottles — and whether it's enough for the day.
- How many ounces of water are in a gallonA US gallon of water is 128 fluid ounces, or about 3.8 litres. See the gallon converted to ounces, bottles, and litres.
- How many water bottles make a gallonA gallon is about 7.6 of the standard 16.9 oz bottles. See how many bottles of each size make a gallon, from 8 oz to 1 litre.
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