¼ cup caster sugar in grams
¼ cup of caster sugar = 56.2 grams · 1.98 oz · 4 tbsp
That is a quarter cup, levelled off rather than heaped. A full US cup of caster sugar weighs 225 g, so ¼ cup comes to 56.2 g. Use the converter for any other amount.
Based on a measured density of 225 g per US cup (236.6 ml), spooned and levelled rather than scooped. Last reviewed .
How ¼ cup of caster sugar works out
One US cup of caster sugar weighs 225 grams, so multiply by 0.25 to get a quarter cup: 225 × 0.25 = 56.2 g. In the other direction, 56.2 g of caster sugar divided by 225 brings you back to ¼ cup.
If you have no scales, ¼ cup is 4 level tablespoons of caster sugar (12 teaspoons), because a US cup holds 16 tablespoons. In a 250 ml metric cup — the Australian, New Zealand and modern UK standard — the same fraction is 59.4 g.
Tip: Caster sugar dissolves faster than granulated, so it's worth the swap for meringues and cold drinks where gritty undissolved sugar would show.
Other caster sugar amounts
¼ cup of caster sugar: common questions
How many grams is ¼ cup of caster sugar?
¼ cup of caster sugar weighs about 56.2 grams (1.98 oz), based on a full US cup of caster sugar weighing 225 grams.
How many tablespoons is ¼ cup of caster sugar?
4 level tablespoons, since a US cup holds 16 tablespoons. That is 12 teaspoons.
Is ¼ cup the same in a metric cup?
No. A 250 ml metric cup is slightly larger than the 236.6 ml US cup, so ¼ cup of caster sugar is 59.4 grams by the metric cup against 56.2 grams by the US cup.
For every other amount, see the full caster sugar cups to grams tables.