Convert Caster Sugar from Pounds

How much is 1 pound of caster sugar?

1 pound of caster sugar (castor sugar) is 2.02 cups, about 33.6 tablespoons or 100.8 teaspoons. 0.5 pounds of caster sugar is 1.01 cups and 2 pounds is 4.03 cups. Use the converter below for any amount.

Caster sugar, also known as superfine or castor sugar, is a key ingredient in many baking recipes due to its fine texture and quick-dissolving properties. Commonly used in cakes, meringues, and desserts, it sits between granulated sugar and powdered sugar in terms of texture. One metric cup (250 ml) of caster sugar weighs around 225 grams or 7.94 ounces.

Since baking is a precise science, even small differences in sugar quantity can affect the final outcome, from texture and sweetness to structure. This page helps you convert caster sugar between grams, cups, tablespoons, and more so that you can follow any recipe confidently, no matter what measurement system it uses.

Also known as

  • castor sugar
  • Superfine Sugar
  • Baker's Sugar
  • Bar Sugar

Standard granulated sugar has larger crystals than caster sugar, so it dissolves more slowly in batters and meringues. They are close in weight (200 g vs 225 g per cup) and swap 1:1 by volume in most recipes, though caster gives a smoother result. See our Sugar converter.

Raw sugar has large, coarse crystals that dissolve slowly, the opposite of fine caster sugar. It packs lighter (200 g vs 225 g per cup), so it is not a 1:1 swap by volume; weigh when substituting. See our Raw Sugar converter.

Out of caster sugar? See caster sugar substitutes →

No scale? The tool below gives a good estimate, but for exact bakes a digital kitchen scale removes the guesswork.

Caster Sugar Measurement Converter

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Common Caster Sugar Conversions

Here are the most common caster sugar conversions from pounds to cups.

PoundsCups
1 lb2.02 cups
2 lb4.03 cups
4 lb8.06 cups
6 lb12.1 cups

Caster Sugar Conversion Chart

The conversion chart below gives a quick reference for converting caster sugar from Pounds to other measurements.

lbcupgramsounceskgcup(US)tbsptsp
1 lb2.02 cup453.59 g16.01 oz0.45 kg2.1 cup (US)33.6 tbsp100.8 tsp
2 lb4.03 cup907.18 g32.01 oz0.91 kg4.2 cup (US)67.2 tbsp201.6 tsp
4 lb8.06 cup1814.37 g64.03 oz1.81 kg8.4 cup (US)134.4 tbsp403.19 tsp
6 lb12.1 cup2721.55 g96.04 oz2.72 kg12.6 cup (US)201.6 tbsp604.79 tsp

Frequently Asked Questions

How much is 1 pound of caster sugar?
1 pound of caster sugar is 2.02 cups, or 33.6 tablespoons, 100.8 teaspoons. The ratio is fixed, so 0.5 pounds of caster sugar is 1.01 cups and 2 pounds is 4.03 cups. Whatever unit your recipe uses, enter the amount in the converter above or read the conversion chart on this page for the most common quantities. Open the caster sugar converter
How many cups is 1 pound of caster sugar?
1 pound of caster sugar is 2.02 cups. The conversion scales in a straight line, so 0.5 pounds is 1.01 cups and 2 pounds is 4.03 cups. Multiply or divide that figure to match whatever your recipe needs, or use the converter above for an exact cups reading at any amount. 1 pound caster sugar in cups
How many pounds of caster sugar is 2.02 cups?
2.02 cups of caster sugar is 1 pound. The conversion works the same in reverse, so you can switch between pounds and cups without changing the result. This helps when a recipe lists one unit but you would rather measure in the other. The converter above and the chart below cover both directions for any amount.
What is 1 pound of caster sugar in US cups?
1 pound of caster sugar is 2.1 US cups. The ratio is fixed, so 0.5 pounds is 1.05 US cups and 2 pounds is 4.2 US cups. Use the converter above for any other amount, or see the chart on this page for the common quantities at a glance. 1 pound caster sugar in US cups
How many tablespoons is 1 pound of caster sugar?
1 pound of caster sugar is 33.6 tablespoons. This conversion scales in a straight line, so 2 pounds of caster sugar is 67.2 tablespoons and 0.5 pounds is 16.8 tablespoons. Enter any other amount into the converter above for an exact tablespoons reading. 1 pound caster sugar in tablespoons
What is 1 pound of caster sugar in teaspoons?
1 pound of caster sugar is 100.8 teaspoons. Since the ratio is fixed, 0.5 pounds gives 50.4 teaspoons and 2 pounds gives 201.6 teaspoons. The converter above handles any other amount, and the chart on this page covers the common ones at a glance. 1 pound caster sugar in teaspoons
How do pounds and grams compare as units?
Pounds and grams are both units of weight, so the conversion between them does not vary by ingredient. The ratio between them stays fixed regardless of what you are weighing, and the weight converter handles any amount between grams, ounces, pounds, and kilograms for any recipe you follow. Pounds to grams

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