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Food Allergy Resources

Recipe Conversion Calculators and Charts

January 2009

How to convert recipe measurements

Converting a Recipe from One Measurement System to Another

Need to convert a recipe from American measurements to metric – or vice versa? We've scoured the web to find some terrific online calculators for you.
  • Global Gourmet's Cooking Calculator
    Easy-to-use conversion calculator converts American standard recipe measurements to metric, or metric to American standard. The calculator includes weights, measures, and temperature.
  • Reluctant Gourmet's Cooking Calculator
    This site contains 2 calculators; scroll down to the bottom of the page for directions on how to use Google's calculator to convert "just about anything."
  •'s Conversion Calculator
    This site has both an easy-to-use conversion calculator and do-it-yourself conversion charts for dry and liquid measurements.

Increasing or Decreasing a Recipe

Need to increase or decrease a recipe, and can't remember how many teaspoons in a tablespoon, tablespoons in a cup, and so forth? We're here for you. Either consult the chart below to do the calculations yourself (hey, it's a great time for a math lesson for the kids!) or let's recipe adjuster program do the work for you.

Cooking Measurement Equivalents

3 teaspoons = 1 tablespoon
4 tablespoons = 1/4 cup
5 tablespoons + 1 teaspoon = 1/3 cup
8 tablespoons = 1/2 cup
10 tablespoons + 2 teaspoons = 2/3 cup
12 tablespoons = 3/4 cup
16 tablespoons = 1 cup
1/4 cup + 2 tablespoons = 3/8 cup
1/2 cup + 2 tablespoons = 5/8 cup
3/4 cup + 2 tablespoons = 7/8 cup
2 tablespoons = 1 fluid ounce
1/2 cup = 4 fluid ounces
1 cup = 8 fluid ounces
2 cups = 1 pint
4 cups = 1 quart
2 pints = 1 quart
4 quarts = 1 gallon
16 ounces = 1 pound


Approved June 2007. Updated January 2009.

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Page last updated 7/29/2012

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