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Home » Recipes » Baking Conversion Charts

How Many Cups in a Pound of Sugar, Flour & Butter?

Modified: Jul 20, 2026 · Published: Jul 8, 2022 by Irina Totterman · This post may contain affiliate links · 2 Comments

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Quick Summary: There are 2 cups in 1 pound (1 cup = ½ pound). But the exact amount depends on the ingredient, because a pound is a weight and a cup is a volume. For example, 1 pound equals about 2 cups of granulated sugar, 3.62 cups of all-purpose flour, or 2 cups of butter. The right answer changes with each ingredient's density.

However, a pound of different types of flour varies in volume when measured using cups. For example, 1 pound equals 3.62 cups of all-purpose flour, 3.49 cups of bread flour, and 3.98 cups of cake flour.

Pounds to cups conversion chart.
Jump to:
  • How many cups in a pound
  • Pounds to cups conversions for dry ingredients
  • Pounds to cups conversions for fat
  • Pounds to cups conversions for liquid ingredients
  • What is a pound?
  • What is a cup?
  • How to convert cups to pounds and vice versa
  • Which cup should you use
  • When should you convert pounds to cups?
  • FAQ
  • Other baking conversions
  • Comments

How many cups in a pound

On average, 1 pound equals 2 cups, but the exact volume depends on the ingredient. Here is a quick at-a-glance guide for common baking ingredients.

Ingredient (1 pound)Cups
Water1.92 cups
Granulated sugar2.27 cups
Brown sugar (packed)2.27 cups
Powdered sugar3.63 cups
All-purpose flour3.62 cups
Butter2 cups
Milk1.98 cups
Honey1.33 cups

Here is a simple conversion table from pounds to cups.

US poundCupsUK poundCups
1 lb1.91 cups1 lb1.32 cups
2 lb3.82 cups2 lb2.64 cups
3 lb5.73 cups3 lb3.3 cups
4 lb7.64 cups4 lb3.96 cups
5 lb9.55 cups5 lb4.62 cups

Pounds to cups conversions for dry ingredients

Flour

PoundsAll-purpose flourBread flourCake flourSelf-raising flour
½ lb1.81 cups1.74 cups1.99 cups1.81 cups
1 lb3.62 cups3.49 cups3.98 cups3.63 cups
2 lb7.25 cups6.97 cups7.96 cups7.26 cups
3 lb10.87 cups10.46 cups11.93 cups10.89 cups
4 lb14.5 cups13.94 cups15.91 cups14.51 cups
5 lb18.12 cups17.43 cups19.89 cups18.14 cups
PoundsWhole wheat flourPastry flourBuckwheat flourGluten-free flour
½ lb1.75 cups2.1 cups1.89 cups1.86 cups
1 lb3.5 cups4.2 cups3.78 cups3.72 cups
2 lb7 cups8.4 cups7.56 cups7.44 cups
3 lb10.5 cups12.6 cups11.34 cups11.15 cups
4 lb14 cups16.8 cups15.12 cups14.87 cups
5 lb17.5 cups21 cups18.9 cups18.59 cups

How many cups in a pound of flour?

  • 1 pound of all-purpose flour equals 3.62 cups
  • 1 pound of bread flour equals 3.49 cups
  • 1 pound of cake flour equals 3.98 cups
  • 1 pound of self-raising flour equals 3.63 cups
  • 1 pound of whole wheat flour equals 3.5 cups
  • 1 pound of pastry flour equals 4.2 cups
  • 1 pound of buckwheat flour equals 3.78 cups
  • 1 pound of gluten-free flour equals 3.72 cups

Sugar

PoundsGranulated sugarCaster sugarBrown sugarPowdered sugar
½ lb1.13 cups1.01 cups1.13 cups1.81 cups
1 lb2.27 cups2.02 cups2.27 cups3.63 cups
2 lb4.54 cups4.03 cups4.54 cups7.26 cups
3 lb6.8 cups6.05 cups6.8 cups10.89 cups
4 lb9.07 cups8.06 cups9.07 cups14.51 cups
5 lb11.34 cups10.08 cups11.34 cups18.14 cups

How many cups in a pound of sugar?

  • 1 pound of granulated sugar equals 2.27 cups
  • 1 pound of caster sugar equals 2.02 cups
  • 1 pound of brown sugar equals 2.27 cups
  • 1 pound of powdered sugar equals 3.63 cups

Pounds to cups conversions for fat

When butter is standardized, it's always a pound for every two cups, regardless of brand.

PoundsButterMargarineVirgin olive oil
½ lb1 cups1.05 cups1.03 cups
1 lb2 cups2.09 cups2.07 cups
2 lb4 cups4.18 cups4.13 cups
3 lb6 cups6.27 cups6.2 cups
4 lb8 cups8.36 cups8.26 cups
5 lb10 cups10.45 cups10.33 cups

So, let's break it down:

  • 1 pound of butter equals 2 cups
  • 1 pound of margarine equals 2.09 cups
  • 1 pound of virgin olive oil equals 2.07 cups

Pounds to cups conversions for liquid ingredients

PoundsWaterMilk
½ lb0.96 cups0.94 cups
1 lb1.92 cups1.87 cups
2 lb3.83 cups3.75 cups
3 lb5.75 cups5.62 cups
4 lb7.67 cups7.50 cups
5 lb9.59 cups9.37 cups
  • 1 pound of water equals 1.92 cups
  • 1 pound of milk equals 1.87 cups

What is a pound?

Pound (abbreviated as lb, lbs, lbm, or #) is a measure of weight in the United States that is equal to 16 ounces or 0.45359237 kilograms.

But there are two types of pound: the Troy pound of the United Kingdom and the avoirdupois pound of the United States.

  • 1 US (avoirdupois) pound = 1.91 cups
  • 1 UK/imperial (Troy) pound = 0.66 cups

What is a cup?

A cup is an essential measuring tool for cooking and baking. It is used to measure the volume of liquids, such as water, milk, and oil, as well as dry ingredients like flour, sugar, and rice.

How to convert cups to pounds and vice versa

Let's start from the basics to calculate how many cups are in a pound. The one-pound-to-2-cups conversion is mainly used for cooking and baking. For precise results, professional bakers weigh ingredients using a reference, such as a King Arthur Baking ingredient weight chart.

  • 1 pound equals 2 cups.
  • 1 cup equals ½ pound, or 1 c = ½ lb.

Let's make an example: how many pounds are 5 cups? If 1 cup = ½ pound, we should first multiply five (the number of cups) by ½ (the coefficient): 5 x ½ = 2.5

The answer: 5 cups make 2.5 pounds.

Note: Use the formula when working with liquid-to-pound conversions.

However, the food items have different densities. So, the actual volume of a pound varies depending on the density of the ingredient.

To convert pounds to cups (lbs to cups), you should divide the weight multiplied by 1.917223 by the density of the ingredient:

Cups = pounds × 1.917223/ingredient density

To convert cups to pounds (cups to lbs), you should divide the volume multiplied by the density of the ingredient by 1.917223:

Pounds = cups × ingredient density/1.917223

Which cup should you use

The cup is a US customary unit of volume equal to 16 tablespoons or eight fluid ounces.

In the United States, there are two main cup sizes: the US customary cup, used in recipes, and the US legal cup, used in nutrition labeling.

  • 1 US customary cup = 236.588 mL
  • 1 US legal cup = 240 mL

There is the metric cup in the UK and the rest of the Commonwealth: 1 international (metric) cup = 250 mL

However, if you use a recipe from an old British cookbook, it probably uses an imperial cup: 1 imperial cup = 284.131 mL

If you follow US recipes, please invest in a set of measuring cups and spoons. However, a good kitchen scale will always give precise measurements and predictable results in baking.

When should you convert pounds to cups?

You need to convert pounds to cups when a recipe lists an ingredient by weight (for example, 1 pound of flour), but you only have measuring cups, or vice versa.

Weight is the most accurate way to measure baking ingredients, so many professional and European recipes use pounds or grams. If your recipe gives weights and you do not own a kitchen scale, converting to cups lets you measure by volume instead, keeping in mind the result is an approximation.

FAQ

Does 2 cups equal 1 pound?
On average, yes. Two cups is roughly equal to 1 pound for many ingredients, since 1 cup weighs about ½ pound. However, the exact weight depends on the ingredient. Two cups of flour weigh less than a pound, while 2 cups of a dense ingredient can weigh more.

Is 3 cups 1 lb?
It depends on the ingredient. Three cups of all-purpose flour is close to 1 pound (1 pound of flour equals about 3.62 cups). For sugar or butter, though, 1 pound is only about 2 cups, so 3 cups would weigh more than a pound.

Is 4 cups one lb?
Only for very light ingredients. Most common baking ingredients reach 1 pound at around 2 to 3.6 cups. For example, 1 pound of powdered sugar is about 3.63 cups, so 4 cups would be more than a pound.

How many cups are in a pound of sugar?
There are about 2.27 cups in 1 pound of granulated sugar. Brown sugar (packed) is also about 2.27 cups, while powdered sugar is lighter at about 3.63 cups per pound.

How many cups are in a pound of flour?
There are about 3.62 cups in 1 pound of all-purpose flour, 3.49 cups of bread flour, and 3.98 cups of cake flour.

How many cups are in 4 lbs of sugar?
There are about 9.07 cups in 4 pounds of granulated sugar, since 1 pound equals roughly 2.27 cups.

How many cups make a pound of butter?
There are 2 cups in 1 pound of butter, which equals four standard sticks.

Other baking conversions

To convert between other measurement units such as grams, pints, quarts, gallons, tablespoons, teaspoons, and more, visit Baking Conversion Charts. You will find individual converters from cups to grams, grams to cups, cups to pints, etc.

  • How Many Cups In A Pint
  • How Many Cups In A Quart
  • How Many Cups In A Gallon
  • How Many Milliliters In A Teaspoon
  • How Many Milliliters In A Tablespoon

About Irina Totterman

I'm Irina, an experienced home baker with over 30 years of expertise and the blogger behind Baking Like a Chef (since 2018), where I share baking recipes, tips, and tricks. My recipes have been featured in the renowned French Chef Simon and Le Journal des Femmes.

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  1. Maria Van Bibber says

    November 17, 2022 at 11:05 pm

    I'm interested in learning about baking; this will greatly help me; I will read and understand every step/measurement. Thank you.

    Reply
    • Irina says

      November 18, 2022 at 10:32 am

      Hello Maria, I would suggest signing up for Baking Basics Course where you will learn lots of basics, tips, and tricks. Happy learning!

      Reply

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A home baker with over 30 years of experience, sharing baking recipes with step-by-step instructions, helpful tips, and tricks. Get baking, and let the fun begin!

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