420g Oats in Cups

420 grams of rolled oats is 4⅔ cups — 90g per US cup. Granola and batch flapjacks use weights like this, where oats are usually the base and everything else is scaled against them.

420 g of rolled oats is

4⅔ cups

4.67 US cups · 74.7 tbsp · 1104 ml · 90 g per cup

Amount in grams

To measure it · spoon and level

4 + 2 × ⅓ cup

Rest of the recipe in grams? Paste it and every line comes back in cups. Free, no sign-in.

Measuring by hand? That is 4 + 2 × ⅓ cup. It is about 84% of a 500 g bag of oats.

Rolled oats are flaky and full of air, so they take up far more cup volume than the same weight of flour or sugar. Do not press them down.

420g of rolled oats vs other ingredients

Ingredient	420g in cups	Per cup
Oats	4⅔ cups	90 g
All-Purpose Flour	3⅓ cups	125 g
Granulated Sugar	2 cups + 1½ tbsp	200 g
Butter	1¾ cups + 1½ tbsp	227 g

See all 420g conversions on the 420 grams to cups chart.

Another ingredient or amount

Nearby rolled oats amounts

Grams	Cups	Tablespoons
375 g	4¼ cups	66.7 tbsp
390 g	4⅓ cups	69.3 tbsp
400 g	4½ cups	71.1 tbsp
410 g	4½ cups	72.9 tbsp
425 g	4¾ cups	75.6 tbsp
450 g	5 cups	80 tbsp
454 g	5 cups	80.7 tbsp
480 g	5⅓ cups	85.3 tbsp

Full ladder on the oats grams to cups chart.

Questions

How many cups is 420g of rolled oats?

420 grams of rolled oats is 4⅔ cups. In kitchen measures that is 4 + 2 × ⅓ cup, worked out from 90 grams per US cup.

How many grams are in 1 cup of rolled oats?

One US cup of rolled oats weighs about 90 grams, one tablespoon about 5.63 grams, and one teaspoon about 1.88 grams.

How do I measure 420g of rolled oats without a scale?

Use 4 + 2 × ⅓ cup. Rolled oats are flaky and full of air, so they take up far more cup volume than the same weight of flour or sugar. Do not press them down.

Is it better to weigh rolled oats or measure it in cups?

Weighing is more accurate, especially in baking, because it removes the variation in how the rolled oats is packed into the cup. Without a scale, use the cup figure above and measure the same way throughout the recipe.

Weights are per US cup, spooned and levelled. How we calculate