Skip to content
Calculator Tools
Hydration Calculators

Water Bottles Per Day Calculator

How many bottles or glasses of your size make up your daily water goal, and a simple drinking schedule.

Enter values

Results update as you type.

Result

Bottles per day

3.3

Glasses (250 ml)
10
Drink every
4.8 hours
Per waking hour
156 ml

About the Water Bottles Per Day Calculator

How many bottles or glasses of your size make up your daily water goal, and a simple drinking schedule.

Also known as: bottles of water per day, glasses of water, water bottle count.

How to use this calculator

  1. Enter daily goal, bottle size, waking hours.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

Bottles = daily goal ÷ bottle size

Worked example

Using the values pre-filled in the calculator above:

  • Daily goal = 2.5 litres
  • Bottle size = 750 ml
  • Waking hours = 16

the calculator returns:

  • Bottles per day: 3.3
  • Glasses (250 ml): 10
  • Drink every: 4.8 hours
  • Per waking hour: 156 ml