Instant Culinary Answer

45 Grams Rolled Oats (Old Fashioned) to Cups

45 grams of Rolled Oats (Old Fashioned) is approximately0.50 cups(½ cup)based on the standard density of 90g per US customary cup.

Cups (US)0.50½ cup

Tablespoons8.0tbsp (US)

Milliliters118.3ml

Ounces (Weight)1.59oz

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US Customary Cup(236.59 ml)

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Conversion Output

Rolled Oats (Old Fashioned)

1.6cups

Kitchen reading:1 ⅔ cups

1 cup—

¾ cup—

½ cup—

¼ cup—

+ 1 full cup (showing remainder)

25.6Tablespoons (tbsp)

76.8Teaspoons (tsp)

378.5Milliliters (ml)

7.05Ounces (oz)

Conversion formula for 45g Rolled Oats (Old Fashioned).

To convert 45 grams of Rolled Oats (Old Fashioned) into cups, divide the weight in grams by its ingredient density (90 grams per cup):

Cups = 45 ÷ 90

Cups = 0.50 (½ cup)

Chef's measuring guidance.

How to measure: Scoop or spoon loosely and level off. Do not compress.

Common pitfall: Interchanging rolled oats with steel cut oats (which weigh 160g/cup) without adjusting volume.

US vs Metric cups: In a Metric cup (250 ml), 45g of Rolled Oats (Old Fashioned) equals 0.47 metric cups.

Rolled Oats (Old Fashioned) Conversion Matrix

Calculated using standard US Customary cups (1 cup = 90 grams).

90g / cup density

Weight (Grams)	Cups (US)	Kitchen Fraction	Tablespoons	Teaspoons	Milliliters	Ounces (oz)	Page Link
1 g	0.01 cups	< ⅛ cup	0.2 tbsp	0.5 tsp	2.6 ml	0.04 oz	1g page →
5 g	0.06 cups	⅛ cup	0.9 tbsp	2.7 tsp	13.1 ml	0.18 oz	5g page →
10 g	0.11 cups	⅛ cup	1.8 tbsp	5.3 tsp	26.3 ml	0.35 oz	10g page →
15 g	0.17 cups	⅙ cup	2.7 tbsp	8.0 tsp	39.4 ml	0.53 oz	15g page →
20 g	0.22 cups	¼ cup	3.6 tbsp	10.7 tsp	52.6 ml	0.71 oz	20g page →
25 g	0.28 cups	¼ cup	4.4 tbsp	13.3 tsp	65.7 ml	0.88 oz	25g page →
30 g	0.33 cups	⅓ cup	5.3 tbsp	16.0 tsp	78.9 ml	1.06 oz	30g page →
40 g	0.44 cups	½ cup	7.1 tbsp	21.3 tsp	105.2 ml	1.41 oz	40g page →
50 g	0.56 cups	½ cup	8.9 tbsp	26.7 tsp	131.4 ml	1.76 oz	50g page →
60 g	0.67 cups	⅔ cup	10.7 tbsp	32.0 tsp	157.7 ml	2.12 oz	60g page →
75 g	0.83 cups	⅞ cup	13.3 tbsp	40.0 tsp	197.2 ml	2.65 oz	75g page →
80 g	0.89 cups	⅞ cup	14.2 tbsp	42.7 tsp	210.3 ml	2.82 oz	80g page →
90 g	1.00 cups	1 cup	16.0 tbsp	48.0 tsp	236.6 ml	3.17 oz	90g page →
100 g	1.11 cups	1 ⅛ cup	17.8 tbsp	53.3 tsp	262.9 ml	3.53 oz	100g page →
125 g	1.39 cups	1 ⅜ cup	22.2 tbsp	66.7 tsp	328.6 ml	4.41 oz	125g page →
150 g	1.67 cups	1 ⅔ cup	26.7 tbsp	80.0 tsp	394.3 ml	5.29 oz	150g page →
175 g	1.94 cups	1 ⅞ cup	31.1 tbsp	93.3 tsp	460.0 ml	6.17 oz	175g page →
200 g	2.22 cups	2 ¼ cup	35.6 tbsp	106.7 tsp	525.8 ml	7.05 oz	200g page →
225 g	2.50 cups	2 ½ cup	40.0 tbsp	120.0 tsp	591.5 ml	7.94 oz	225g page →
250 g	2.78 cups	2 ¾ cup	44.4 tbsp	133.3 tsp	657.2 ml	8.82 oz	250g page →
300 g	3.33 cups	3 ⅓ cup	53.3 tbsp	160.0 tsp	788.6 ml	10.58 oz	300g page →
350 g	3.89 cups	3 ⅞ cup	62.2 tbsp	186.7 tsp	920.1 ml	12.35 oz	350g page →
400 g	4.44 cups	4 ½ cup	71.1 tbsp	213.3 tsp	1051.5 ml	14.11 oz	400g page →
450 g	5.00 cups	5 cup	80.0 tbsp	240.0 tsp	1182.9 ml	15.87 oz	450g page →
500 g	5.56 cups	5 ½ cup	88.9 tbsp	266.7 tsp	1314.4 ml	17.64 oz	500g page →
750 g	8.33 cups	8 ⅓ cup	133.3 tbsp	400.0 tsp	1971.6 ml	26.46 oz	750g page →
1000 g	11.1 cups	11 ⅛ cup	177.8 tbsp	533.3 tsp	2628.8 ml	35.27 oz	1000g page →