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Home Vegetarian Cooking 101 Cooking Conversions

How Many Ounces In A Cup?

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By: Sarah BondUpdated: Nov 18, 2022 2 Comments

This post contains affiliate links.

Need to know how many ounces are in a cup for a recipe? Or what the difference is between fluid ounces and dry ounces? Or how many grams are in a cup? This is the ultimate guide to measuring ounces, grams and cups!

Solid measuring cups with oats, flour, and rice in them.

In cooking, and especially baking, precise measurements are often the difference between an okay cooking and great cooking.

One key concept is weight vs. volume. We were raised to understand that there are 16 ounces in a pound, 8 ounces in a cup, etc. What we sometimes confuse, however, is that weight and volume are two different beasts.

Just because two things take up the same volume (like a cup), doesn’t mean they weight the same (like in ounces). For example:

  • 1 cup of popcorn = 0.3 ounces
  • 1 cup of flour = 4.1 ounces
  • 1 cup of chocolate chips = 6.0 ounces

So for precise baking, cooking, or converting, it’s important to know how many ounces are in a cup for whatever ingredient you’re using. Fortunately, you’ve come to the right place! Click the links below to jump around this ultimate guide, or scroll on to learn all about measuring cups and ounces:

  • How To Measure Cups
  • How To Measure Ounces
  • How Many Fluid Ounces Are In A Cup?
  • How Many Dry Ounces Are In A Cup?
  • Other Useful Measurements
Solid measuring cups with oats, flour, and rice in them.

How To Measure Cups

Cups are a very common unit of measurement in the U.S., and are used to measure the volume of something. There are dry cups and fluid cups, and each should be measured using different types of equipment.

Measuring Dry Cups

To measure dry things with cups – like flour, oats, or rice – use measuring cups meant for solids. Simply scoop the ingredient into the cup, the level it off.

Measuring Liquid Cups

To measure liquid things with cups – like water, milk, or oil – use liquid measuring cups. To measure liquids, place the liquid measuring cup on a flat surface and pour in your ingredient until it reaches the line for the amount you need.

How to measure ounces

Ounces are one of the most commonly used units of measurement in cooking and baking, and is a method for measuring the weight of something. There are dry ounces and fluid ounces, and each of which can be measured using different types of equipment.

Measuring Dry Ounces

To measure dry ounces, you will need a measuring cup or scale that is calibrated to measure in dry ounces. This type of measurement typically involves weighing dry ingredients such as flour, sugar, or grains. You simply place the dry ingredient into the measuring device and read off the weight displayed on the scale or look at how much is left in the cup after filling it up with dry ingredient.

Measuring Fluid Ounces

To measure liquid ounces, you will need a liquid measuring cup or graduated cylinder. This type of measurement typically involves pouring liquid ingredients such as oil or water into the measuring device. You simply pour the liquid until it reaches the desired level and then read off the measurement markings on the side of the cup or cylinder.

A picture of various measurement utensils, including a glass Pyrex liquid measurement cup and cups full of oats and flour.

Cups to ounces for common ingredients

It’s important to know how many ounces are in a cup for each individual ingredient you’re cooking with, because the weights can vary so greatly! The information below is provided to give you simple conversions for commonly used ingredients.

Fluid Ounces In A Cup

Measuring ounces in a cup for fluids, like water, cream, coffee, and oils, are all about the same. Get our full guide to fluid ounces in a cup here!

U.S. CupsAmount in MillilitersAmount in Fluid Ounces
1/4 cup60 mL2.0 oz
1/3 cup80 mL2.7 oz
1/2 cup120 mL4.0 oz
2/3 cup160 mL5.3 oz
3/4 cup180 mL6.0 oz
1 cup240 mL8.0 oz
Two glass Pyrex cups stack into each other on a blue background.

Dry Ounces In A Cup

For most other ingredients – like berries, flour, and butter – the ounces in a cup can vary greatly! We have included how many oz in a cup for some of the most common ingredients below, alphabetized for easy access!

Almonds (Whole)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup23 grams1.3 oz
1/3 cup48 grams1.7 oz
1/2 cup72 grams2.5 oz
1 cup143 grams5.0 oz

Almonds (Sliced)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup22 grams0.8 oz
1/3 cup28 grams1.0 oz
1/2 cup43 grams1.5 oz
1 cup86 grams3 oz

Almond Butter

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup65 grams2.3 oz
1/3 cup87 grams1.3 oz
1/2 cup130 grams2.0 oz
1 cup260 grams4.0 oz

Almond Flour

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup30 grams1.1 oz
1/3 cup40 grams1.4 oz
1/2 cup60 grams2.1 oz
1 cup120 grams4.2 oz

Bananas (Mashed)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup57 grams2.0 oz
1/3 cup76 grams2.7 oz
1/2 cup114 grams4.0 oz
1 cup227 grams8.0 oz

Berries (Frozen)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup35 grams1.2 oz
1/3 cup47 grams1.6 oz
1/2 cup70 grams2.5 oz
1 cup140 grams5.0 oz

Blueberries

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup37 grams1.3 oz
1/3 cup49 grams1.7 oz
1/2 cup74 grams2.6 oz
1 cup148 grams5.2 oz

Breadcrumbs

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup30 grams1.0 oz
1/3 cup40 grams1.4 oz
1/2 cup60 grams2.1 oz
1 cup120 grams4.2 oz

Butter (or Margarine)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup57 grams2.0 oz
1/3 cup76 grams2.7 oz
1/2 cup114 grams4.0 oz
1 cup227 grams8.0 oz

Carrots (Diced)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup36 grams1.3 oz
1/3 cup47 grams1.7 oz
1/2 cup71 grams2.5 oz
1 cup142 grams5.0 oz

Cheese (Shredded)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup29 grams1.0 oz
1/3 cup38 grams1.3 oz
1/2 cup57 grams2.0 oz
1 cup114 grams4.0 oz

Chocolate (Chips)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup43 grams1.5 oz
1/3 cup57 grams2.0 oz
1/2 cup85 grams3.0 oz
1 cup170 grams6.0 oz

Chocolate (Chopped)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup29 grams1.0 oz
1/3 cup38 grams1.3 oz
1/2 cup57 grams2.0 oz
1 cup114 grams4.0 oz

Cocoa Powder

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup25 grams0.9 oz
1/3 cup33 grams1.2 oz
1/2 cup50 grams1.8 oz
1 cup100 grams3.5 oz

Coconut (Shredded)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup21 grams0.7 oz
1/3 cup28 grams1.0 oz
1/2 cup43 grams1.5 oz
1 cup85 grams3.0 oz

Coffee (Ground)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup21 grams0.7 oz
1/3 cup27 grams1.0 oz
1/2 cup41 grams1.4 oz
1 cup82 grams2.9 oz

Cornmeal

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup35 grams1.2 oz
1/3 cup46 grams1.6 oz
1/2 cup69 grams2.4 oz
1 cup138 grams4.9 oz

Cornstarch

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup31 grams1.1 oz
1/3 cup41 grams1.4 oz
1/2 cup61 grams2.2 oz
1 cup122 grams4.3 oz

Cranberries (Dried)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup29 grams1.0 oz
1/3 cup38 grams1.3 oz
1/2 cup57 grams2.0 oz
1 cup114 grams4.0 oz

Cream Cheese

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup56 grams2.0 oz
1/3 cup75 grams2.6 oz
1/2 cup113 grams4.0 oz
1 cup225 grams7.9 oz

Dates (Pitted and Chopped)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup44 grams1.5 oz
1/3 cup58 grams2.1 oz
1/2 cup88 grams3.1 oz
1 cup175 grams6.2 oz

Egg Whites

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup56 grams2.0 oz
1/3 cup74 grams2.6 oz
1/2 cup112 grams3.9 oz
1 cup223 grams7.9 oz

Flaxseed

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup35 grams1.2 oz
1/3 cup47 grams1.6 oz
1/2 cup70 grams2.5 oz
1 cup140 grams4.9 oz

Flour (All-Purpose, White or Wheat)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup30 grams1.1 oz
1/3 cup40 grams1.4 oz
1/2 cup60 grams2.1 oz
1 cup120 grams4.1 oz

Granola

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup28 grams1.0 oz
1/3 cup38 grams1.3 oz
1/2 cup57 grams2.0 oz
1 cup113 grams4.0 oz

Honey

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup85 grams3.0 oz
1/3 cup114 grams4.0 oz
1/2 cup171 grams6.0 oz
1 cup341 grams12.0 oz

Jam or Jelly

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup80 grams2.8 oz
1/3 cup107 grams3.8 oz
1/2 cup160 grams5.6 oz
1 cup320 grams11.3 oz

Leafy Greens (Kale, Spinach, or Lettuce)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup17 grams0.6 oz
1/3 cup22 grams0.8 oz
1/2 cup34 grams1.2 oz
1 cup67 grams2.4 oz

Macadamia Nuts (Whole)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup38 grams1.3 oz
1/3 cup50 grams1.8 oz
1/2 cup75 grams2.6 oz
1 cup150 grams5.3 oz

Mashed Potatoes

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup60 grams2.1 oz
1/3 cup80 grams2.8 oz
1/2 cup120 grams4.2 oz
1 cup240 grams8.5 oz

Mayonnaise

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup58 grams2.0 oz
1/3 cup77 grams2.7 oz
1/2 cup115 grams4.1 oz
1 cup230 grams8.1 oz

Millet

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup52 grams1.8 oz
1/3 cup69 grams2.4 oz
1/2 cup103 grams3.6 oz
1 cup106 grams7.3 oz

Molasses

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup85 grams3.0 oz
1/3 cup113 grams4.0 oz
1/2 cup170 grams6.0 oz
1 cup340 grams12.0 oz

Mushrooms (Sliced)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup32 grams1.1 oz
1/3 cup43 grams1.5 oz
1/2 cup64 grams2.3 oz
1 cup128 grams4.5 oz

Nut Butter

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup64 grams2.2 oz
1/3 cup85 grams3.0 oz
1/2 cup128 grams4.5 oz
1 cup255 grams9.0 oz

Oats (Rolled or Instant)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup23 grams0.8 oz
1/3 cup30 grams1.1 oz
1/2 cup45 grams1.6 oz
1 cup90 grams3.2 oz

Pasta (Uncooked)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup25 grams0.9 oz
1/3 cup33 grams1.2 oz
1/2 cup50 grams1.8 oz
1 cup100 grams3.5 oz

Peanuts (Chopped)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup38 grams1.3 oz
1/3 cup50 grams1.8 oz
1/2 cup75 grams2.6 oz
1 cup150 grams5.3 oz

Peanuts (Whole, No Shell)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup28 grams1.0 oz
1/3 cup37 grams1.3 oz
1/2 cup55 grams1.9 oz
1 cup110 grams3.9 oz

Peanut Butter

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup60 grams2.1 oz
1/3 cup80 grams2.8 oz
1/2 cup120 grams4.2 oz
1 cup240 grams8.5 oz

Pecans (Chopped)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup30 grams1.1 oz
1/3 cup40 grams1.4 oz
1/2 cup60 grams2.1 oz
1 cup120 grams4.1 oz

Pecans (Whole)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup30 grams1.1 oz
1/3 cup40 grams1.4 oz
1/2 cup60 grams2.1 oz
1 cup120 grams4.2 oz

Popcorn (Kernels)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup56 grams2.0 oz
1/3 cup75 grams2.6 oz
1/2 cup113 grams4.0 oz
1 cup225 grams7.9 oz

Popcorn (Popped)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup2 grams0.1 oz
1/3 cup3 grams0.1 oz
1/2 cup5 grams0.2 oz
1 cup9 grams0.3 oz

Pumpkin (Puree)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup57 grams2.0 oz
1/3 cup76 grams2.7 oz
1/2 cup114 grams4.0 oz
1 cup227 grams8.0 oz

Raisins

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup38 grams1.3 oz
1/3 cup50 grams1.8 oz
1/2 cup75 grams2.6 oz
1 cup150 grams5.3 oz

Raspberries

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup30 grams1.1 oz
1/3 cup40 grams1.4 oz
1/2 cup60 grams2.1 oz
1 cup120 grams4.2 oz

Rice (Cooked)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup43 grams1.5 oz
1/3 cup57 grams2.0 oz
1/2 cup85 grams3.0 oz
1 cup210 grams6.0 oz

Rice (Uncooked)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup53 grams1.9 oz
1/3 cup70 grams2.5 oz
1/2 cup105 grams3.7 oz
1 cup210 grams7.4 oz

Sour Cream

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup58 grams2.0 oz
1/3 cup77 grams2.7 oz
1/2 cup115 grams4.1 oz
1 cup230 grams8.1 oz

Sugar (Brown)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup50 grams1.8 oz
1/3 cup67 grams2.4 oz
1/2 cup100 grams3.5 oz
1 cup200 grams7.1 oz

Sugar (Powdered/Confectioners)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup31 grams1.1 oz
1/3 cup42 grams1.5 oz
1/2 cup62 grams2.2 oz
1 cup165 grams4.4 oz

Sugar (Granulated/White)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup50 grams1.8 oz
1/3 cup67 grams2.4 oz
1/2 cup100 grams3.5 oz
1 cup200 grams7.1 oz

Strawberries (Sliced)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup42 grams1.5 oz
1/3 cup55 grams2.0 oz
1/2 cup83 grams2.9 oz
1 cup166 grams5.9 oz

Strawberries (Whole)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup36 grams1.3 oz
1/3 cup48 grams1.7 oz
1/2 cup72 grams2.5 oz
1 cup144 grams5.1 oz

Syrup (Maple or Corn)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup85 grams3.0 oz
1/3 cup113 grams4.0 oz
1/2 cup170 grams6.0 oz
1 cup340 grams12.0 oz

Walnuts (Chopped)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup29 grams1.0 oz
1/3 cup39 grams1.4 oz
1/2 cup59 grams2.1 oz
1 cup117 grams4.1 oz

Walnuts (Whole)

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup29 grams1.0 oz
1/3 cup39 grams1.4 oz
1/2 cup59 grams2.1 oz
1 cup117 grams4.1 oz

Yogurt

U.S. CupsAmount in GramsAmount in Ounces
1/4 cup55 grams1.9 oz
1/3 cup73 grams2.6 oz
1/2 cup110 grams3.9 oz
1 cup220 grams7.8 oz

Other Useful Measurements

Cups and ounces are just small parts of the world of measurements! Here are more common measurement conversions that you may need:

  • 3 teaspoons = 1 tablespoon
  • 8 tablespoons = 1 cup
  • 16 oz = 1 pint
  • 32 oz = 1 quart
  • 128 oz = 1 gallon
  • 1 ounce = 28 grams

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  1. Autumn says

    Posted on 11/25 at 4:07 pm

    THANK YOU! I really appreciate the translations from volume measurement to grams and ounces. You are generous.

    Reply
    • Sarah Bond says

      Posted on 11/25 at 11:37 pm

      You’re welcome!

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