Veteran's Health Library Menu

Health Encyclopedia

Kidney Disease: Understanding Fluids

Healthy kidneys balance the amount of fluid that enters and leaves the body. If your kidneys cannot maintain this fluid balance, you may need to limit your fluid intake. The information below can be of help.

Coffee, milk, ice, popsicle, apple juice, soda.

What Counts as a Fluid?

Fluids are foods that are liquid at room temperature. All of the foods listed below count toward your fluid intake:

  • Water for drinking and taking medications

  • Ice cubes and ice chips

  • Coffee and tea

  • Sodas

  • Milk, cream, and liquid creamer

  • Juices, both fruit and vegetable

  • Soups

  • Popsicles

  • Ice cream, sherbets, and sorbets

  • Gelatin

Measuring cup with juice inside. Bottle of juice in background.
Make it a habit to measure fluids or check fluid content before you drink or eat.

Figuring Fluid Amounts

Fluids can be measured in different ways. The chart below can help you convert among units of measure. For ease of use, some numbers have been rounded off.

Units of Measure




1 liter

4.2 cups

34 ounces

1,000 ml

1 quart

4 cups

32 ounces

1,000 ml

1 pint

2 cups

16 ounces

500 ml

1/2 pint

1 cup

8 ounces

250 ml


1/2 cup

4 ounces

120 ml


1/3 cup

3 ounces

80 ml


1/4 cup

2 ounces

60 ml

2 tbsp

1/8 cup

1 ounce

30 ml


You can have 32 ounces/1 liter of fluid each day.


Author: StayWell Custom Communications
Last Annual Review Date: 5/15/2011
Copyright © The StayWell Company, LLC. except where otherwise noted.
Disclaimer - Opens 'Disclaimer' in Dialog Window | Help | About Veterans Health Library