Rolled oats converter

Measure rolled oats as dry flakes before making porridge or adding them to a bake. Cooked oats and oat flour need different measurements.

How are these conversions calculated?

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Amount

Direction

g / ml → cups / oz cups / oz → g / ml

Rolled oats

100 g = 1 ¼ cups

Grams	Cups	Ounces
1 g	≈ ½ tsp	0.04
5 g	≈ 1 tbsp	0.18
10 g	⅛ cup	0.35
25 g	≈ ⅜ cup	0.88
50 g	⅝ cup	1.76
100 g	1 ¼ cups	3.53
250 g	3 ⅛ cups	8.82

Reference used in this table: 1 cup (240 ml) ≈ 80 g

Keep the flakes loose

Fill a dry measure and level it without crushing or pressing the flakes. Flake thickness and broken pieces can change how much fits into a cup.

For a batch measured by weight, weigh the dry oats before adding liquid. This table does not predict the weight or volume of the finished porridge.

Related ingredient conversions

Quinoa flour

100 g ≈ ⅞ cup (exact: 0.89 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 2 tsp	0.18
10 g	≈ 1 ½ tbsp	0.35
25 g	≈ ¼ cup	0.88
50 g	≈ ½ cup	1.76
100 g	≈ ⅞ cup	3.53
250 g	≈ 2 ¼ cups	8.82

Pearled barley

100 g = ½ cup

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 tsp	0.18
10 g	≈ 2 ½ tsp	0.35
25 g	⅛ cup	0.88
50 g	¼ cup	1.76
100 g	½ cup	3.53
250 g	1 ¼ cups	8.82

Ricotta

100 g ≈ ⅜ cup (exact: 0.41 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 tsp	0.18
10 g	≈ 2 tsp	0.35
25 g	≈ 1 ½ tbsp	0.88
50 g	≈ ¼ cup	1.76
100 g	≈ ⅜ cup	3.53
250 g	≈ 1 cup	8.82

Ketchup

100 g ≈ ⅜ cup (exact: 0.42 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 tsp	0.18
10 g	≈ 2 tsp	0.35
25 g	≈ 1 ¾ tbsp	0.88
50 g	≈ ¼ cup	1.76
100 g	≈ ⅜ cup	3.53
250 g	≈ 1 cup	8.82

Panko breadcrumbs

100 g = 2 cups

Grams	Cups	Ounces
1 g	≈ 1 tsp	0.04
5 g	≈ 1 ½ tbsp	0.18
10 g	≈ ¼ cup	0.35
25 g	½ cup	0.88
50 g	1 cup	1.76
100 g	2 cups	3.53
250 g	5 cups	8.82

Bulgur

100 g ≈ ¾ cup (exact: 0.71 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 ½ tsp	0.18
10 g	≈ 1 ¼ tbsp	0.35
25 g	≈ ⅛ cup	0.88
50 g	≈ ⅜ cup	1.76
100 g	≈ ¾ cup	3.53
250 g	≈ 1 ¾ cups	8.82

Butter

100 g = 3.53 oz

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 tsp	0.18
10 g	≈ 2 tsp	0.35
25 g	≈ ⅛ cup	0.88
50 g	≈ ¼ cup	1.76
100 g	≈ ½ cup	3.53
250 g	≈ 1 ⅛ cups	8.82

Dijon mustard

100 g ≈ ⅜ cup (exact: 0.42 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 tsp	0.18
10 g	≈ 2 tsp	0.35
25 g	≈ 1 ¾ tbsp	0.88
50 g	≈ ¼ cup	1.76
100 g	≈ ⅜ cup	3.53
250 g	≈ 1 cup	8.82

Cornflour

100 g ≈ ¾ cup (exact: 0.78 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 2 tsp	0.18
10 g	≈ 1 ¼ tbsp	0.35
25 g	≈ ¼ cup	0.88
50 g	≈ ⅜ cup	1.76
100 g	≈ ¾ cup	3.53
250 g	≈ 2 cups	8.82

Whole wheat couscous

100 g ≈ ½ cup (exact: 0.56 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 ½ tsp	0.18
10 g	≈ 2 ½ tsp	0.35
25 g	≈ ⅛ cup	0.88
50 g	≈ ¼ cup	1.76
100 g	≈ ½ cup	3.53
250 g	≈ 1 ⅜ cups	8.82

Yogurt

100 g ≈ ⅜ cup (exact: 0.41 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 tsp	0.18
10 g	≈ 2 tsp	0.35
25 g	≈ 1 ½ tbsp	0.88
50 g	≈ ¼ cup	1.76
100 g	≈ ⅜ cup	3.53
250 g	≈ 1 cup	8.82

Soy sauce

100 ml ≈ ⅜ cup (exact: 0.42 cups)

Milliliters	Cups
1 ml	1 ml (< ½ tsp)
5 ml	≈ 1 tsp
10 ml	≈ 2 tsp
25 ml	≈ 1 ¾ tbsp
50 ml	≈ ¼ cup
100 ml	≈ ⅜ cup
250 ml	≈ 1 cup

Cocoa powder

100 g ≈ 1 ⅛ cups (exact: 1.18 cups)

Grams	Cups	Ounces
1 g	≈ ½ tsp	0.04
5 g	≈ 3 tsp	0.18
10 g	≈ ⅛ cup	0.35
25 g	≈ ¼ cup	0.88
50 g	≈ ⅝ cup	1.76
100 g	≈ 1 ⅛ cups	3.53
250 g	≈ 3 cups	8.82

Macaroni

100 g = 3.53 oz

Grams	Ounces
1 g	0.04
5 g	0.18
10 g	0.35
25 g	0.88
50 g	1.76
100 g	3.53
250 g	8.82

Evaporated milk

100 ml ≈ ⅜ cup (exact: 0.42 cups)

Milliliters	Cups
1 ml	1 ml (< ½ tsp)
5 ml	≈ 1 tsp
10 ml	≈ 2 tsp
25 ml	≈ 1 ¾ tbsp
50 ml	≈ ¼ cup
100 ml	≈ ⅜ cup
250 ml	≈ 1 cup

Yellow mustard

100 g ≈ ⅜ cup (exact: 0.4 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 tsp	0.18
10 g	≈ 2 tsp	0.35
25 g	≈ 1 ½ tbsp	0.88
50 g	≈ ¼ cup	1.76
100 g	≈ ⅜ cup	3.53
250 g	≈ 1 cup	8.82

Spelt flour

100 g = 3.53 oz

Grams	Ounces
1 g	0.04
5 g	0.18
10 g	0.35
25 g	0.88
50 g	1.76
100 g	3.53
250 g	8.82

Cornmeal

100 g = ⅝ cup

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 ½ tsp	0.18
10 g	≈ 3 tsp	0.35
25 g	≈ ⅛ cup	0.88
50 g	≈ ⅜ cup	1.76
100 g	⅝ cup	3.53
250 g	≈ 1 ⅝ cups	8.82

Sour cream

100 g ≈ ⅜ cup (exact: 0.42 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 tsp	0.18
10 g	≈ 2 tsp	0.35
25 g	≈ 1 ¾ tbsp	0.88
50 g	≈ ¼ cup	1.76
100 g	≈ ⅜ cup	3.53
250 g	≈ 1 cup	8.82

Worcestershire sauce

100 ml ≈ ⅜ cup (exact: 0.42 cups)

Milliliters	Cups
1 ml	1 ml (< ½ tsp)
5 ml	≈ 1 tsp
10 ml	≈ 2 tsp
25 ml	≈ 1 ¾ tbsp
50 ml	≈ ¼ cup
100 ml	≈ ⅜ cup
250 ml	≈ 1 cup

Arrowroot starch

100 g ≈ ¾ cup (exact: 0.78 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 2 tsp	0.18
10 g	≈ 1 ¼ tbsp	0.35
25 g	≈ ¼ cup	0.88
50 g	≈ ⅜ cup	1.76
100 g	≈ ¾ cup	3.53
250 g	≈ 2 cups	8.82

Buckwheat groats

100 g ≈ ⅝ cup (exact: 0.61 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 ½ tsp	0.18
10 g	≈ 3 tsp	0.35
25 g	≈ ⅛ cup	0.88
50 g	≈ ¼ cup	1.76
100 g	≈ ⅝ cup	3.53
250 g	≈ 1 ½ cups	8.82

Greek yogurt

100 g ≈ ⅜ cup (exact: 0.41 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 tsp	0.18
10 g	≈ 2 tsp	0.35
25 g	≈ 1 ½ tbsp	0.88
50 g	≈ ¼ cup	1.76
100 g	≈ ⅜ cup	3.53
250 g	≈ 1 cup	8.82

Tahini

100 g ≈ ⅜ cup (exact: 0.42 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 1 tsp	0.18
10 g	≈ 2 tsp	0.35
25 g	≈ 1 ¾ tbsp	0.88
50 g	≈ ¼ cup	1.76
100 g	≈ ⅜ cup	3.53
250 g	≈ 1 cup	8.82

Breadcrumbs

100 g ≈ ⅞ cup (exact: 0.89 cups)

Grams	Cups	Ounces
1 g	1 g (< ½ tsp)	0.04
5 g	≈ 2 tsp	0.18
10 g	≈ 1 ½ tbsp	0.35
25 g	≈ ¼ cup	0.88
50 g	≈ ½ cup	1.76
100 g	≈ ⅞ cup	3.53
250 g	≈ 2 ¼ cups	8.82

FAQ – Ingredient Conversion

How accurate are the cup and weight conversions?

Weight conversions use fixed unit factors. Cup and spoon estimates depend on the stated ingredient form and cup size. Milliliters measure volume; converting them to grams also needs an ingredient-specific reference. Without a reliable cup reference, the calculator uses grams and ounces.

Why do some small amounts convert to “≈ tsp” or “≈ tbsp”?

Small volumes may be shown as approximate spoon measures. Below half a teaspoon, the measured amount stays visible instead of being rounded up. Use a suitable scale or follow the recipe’s original measure for these small quantities.

Are the ounce (oz) and pound (lb) conversions exact?

The conversion factors between grams, ounces and pounds are exact and do not depend on the ingredient. The displayed result is rounded for readability.

Why do I see fractions like ⅛, ¼, or ⅜ in the results?

Many kitchen measurements are traditionally shown using simple fractions. Displaying amounts like “⅛ cup” or “¼ cup” makes the conversions easier to read and measure accurately with standard cups and spoons.

Why might some values look slightly different between ingredients?

Cup measurements depend on how dense an ingredient is. For example, 1 cup of flour does not weigh the same as 1 cup of sugar. Small differences also occur due to natural variations like brand, moisture, or packing. We use consistent reference values so your conversions stay reliable.

Keep the flakes loose

Recipes using Rolled oats

Air Fryer Oatmeal Cookies

Banana Oat Breakfast Smoothie

Air Fryer Berry Crumble

Protein Banana Pancakes

Cloudberry Oat Smoothie

Blueberry Breakfast Smoothie with Oats and Greek Yoghurt

Related ingredient conversions

FAQ – Ingredient Conversion

How accurate are the cup and weight conversions?

Why do some small amounts convert to “≈ tsp” or “≈ tbsp”?

Are the ounce (oz) and pound (lb) conversions exact?

Why do I see fractions like ⅛, ¼, or ⅜ in the results?

Why might some values look slightly different between ingredients?