420g Sugar in Cups
420 grams of granulated sugar is 2⅛ cups — 200g per US cup. Large sugar weights show up in jam, syrup, meringue and batch baking, where the sugar-to-fruit or sugar-to-egg-white ratio matters more than the volume.
How many cups is 420g of granulated sugar?
420 grams of granulated sugar equals:
Measuring by hand? That is 2 cups + 1 tablespoon + 1¾ teaspoons. It is about 42% of a 1 kg bag of sugar.
Granulated sugar barely compresses, so scooping and levelling is reliable — it is one of the few dry ingredients where a cup measure is trustworthy.
Grams to Cups Converter
Quick select
420 grams of Granulated Sugar is about 2⅛ cups, using a 236.588 millilitre cup at 200 grams per cup.
Reading
- cups
- 2.10
- tbsp
- 33.6
- tsp
- 100.8
See the full 420g to cups guide →
See 420g granulated sugar to cups →
US customary cup (236.588ml) · 200g per cup
Dedicated conversion guides use the default US customary cup.
Applies to this page only — the database value (200g per US cup) is unchanged.
420g of granulated sugar vs other ingredients
Grams measure weight and cups measure volume, so the same 420 grams fills a different amount of cup for every ingredient:
| Ingredient | 420g in cups | g per cup |
|---|---|---|
| Granulated Sugar | 2⅛ cups | 200 |
| All-Purpose Flour | 3⅜ cups | 125 |
| Butter | 1⅞ cups | 227 |
| Water | 1¾ cups | 236 |
See all 420g conversions on the 420 grams to cups chart.
Nearby granulated sugar amounts
| Grams of granulated sugar | Cups | Tablespoons |
|---|---|---|
| 375g | 1⅞ cups | 30 tbsp |
| 390g | 2 cups | 31 tbsp |
| 400g | 2 cups | 32 tbsp |
| 410g | 2 cups | 33 tbsp |
| 450g | 2¼ cups | 36 tbsp |
| 454g | 2¼ cups | 36 tbsp |
| 480g | 2⅜ cups | 38 tbsp |
| 500g | 2½ cups | 40 tbsp |
Full ladder on the sugar grams to cups chart.
Frequently Asked Questions
How many cups is 420g of granulated sugar?
420 grams of granulated sugar is 2⅛ cups. In kitchen measures that is 2 cups + 1 tablespoon + 1¾ teaspoons, worked out from 200 grams per US cup.
How many grams are in 1 cup of granulated sugar?
One US cup of granulated sugar weighs about 200 grams, one tablespoon about 12.5 grams, and one teaspoon about 4.17 grams. This page divides 420 grams by that cup weight.
Is 420g of granulated sugar the same as 420g of all-purpose flour?
No. 420g of granulated sugar is 2⅛ cups, while 420g of all-purpose flour is 3⅜ cups. Same weight on the scale, different volume in the cup, because the two have different densities.
How do I measure 420g of granulated sugar without a scale?
Use 2 cups + 1 tablespoon + 1¾ teaspoons. Granulated sugar barely compresses, so scooping and levelling is reliable — it is one of the few dry ingredients where a cup measure is trustworthy.
Is it better to weigh granulated sugar or measure it in cups?
Weighing is more accurate, especially in baking, because it removes the variation in how the granulated sugar is packed into the cup. If you have no scale, use the cup figure above and keep your measuring method consistent across the whole recipe.