Grains, Rice & Pasta Density Guide

Rolled Oats Grams to Cups Converter

Bulk Density90g / US Cup

One US cup of Rolled Oats (Old-Fashioned) weighs 90 grams. That means 100 grams of Rolled Oats (Old-Fashioned) is 1 ⅛ cups. Scoop into cup and level gently.

Rolled Oats (Old-Fashioned) Volume & Mass Converter

Convert weight in grams or volume in cups for rolled oats (old-fashioned) with verified 90g / US cup baseline.

Weight in Grams (g)100g

grams

Baking Ingredient (540+ Verified Densities)

Cup Standard Baseline

Measuring Method / State

Brand Density & Package OverrideKing Arthur Baking

Select Brand Spec (Optional)

Use Package Value (g / US Cup)

Custom package weights override standard database densities for this session without altering official database records.

Calculated Conversion Output

1 cup + 1 tablespoon + 2¼ teaspoons

1 ⅛ cups

1.11 cups

Basis: 1 US Customary Cup (236.59 ml) = 90g (Rolled Oats)

1 Full Cup + Remainder

1 Cup¾½¼

Cross-Unit Equivalent Strip

Tablespoons17.8 tbsp

Teaspoons53.3 tsp

Ounces3.53 oz

Millilitres262.9 ml

Butter SticksN/A

Pounds0.22 lbs

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Rolled Oats (Old-Fashioned) Grams to Cups Conversion Table

Complete reference weight chart converting grams of rolled oats (old-fashioned) into cups, tablespoons, teaspoons, fluid ounces, and milliliters.

Rolled Oats (Old-Fashioned) Grams to Cups Conversion Table
Grams (g)	Cups (Decimal)	Cups (Practical Measure)	Tablespoons	Teaspoons	Ounces (oz)	Milliliters (ml)
5g	0.06 cups	0.06 cups (2¾ teaspoons)	0.9 tbsp	2.7 tsp	0.18 oz	13.1 ml
7g	0.08 cups	0.08 cups (1 tablespoon + ¾ teaspoon)	1.2 tbsp	3.7 tsp	0.25 oz	18.4 ml
10g	0.11 cups	0.11 cups (1 tablespoon + 2¼ teaspoons)	1.8 tbsp	5.3 tsp	0.35 oz	26.3 ml
12g	0.13 cups	0.13 cups (2 tablespoons + ½ teaspoon)	2.1 tbsp	6.4 tsp	0.42 oz	31.5 ml
15g	0.17 cups	0.17 cups (2 tablespoons + 2 teaspoons)	2.7 tbsp	8.0 tsp	0.53 oz	39.4 ml
18g	0.20 cups	0.20 cups (3 tablespoons + ½ teaspoon)	3.2 tbsp	9.6 tsp	0.63 oz	47.3 ml
20g	0.22 cups	0.22 cups (3 tablespoons + 1¾ teaspoons)	3.6 tbsp	10.7 tsp	0.71 oz	52.6 ml
25g	0.28 cups	0.28 cups (4 tablespoons + 1¼ teaspoons)	4.4 tbsp	13.3 tsp	0.88 oz	65.7 ml
28g	0.31 cups	0.31 cups (5 tablespoons)	5.0 tbsp	14.9 tsp	0.99 oz	73.6 ml
30g	0.33 cups	⅓ cup	5.3 tbsp	16.0 tsp	1.06 oz	78.9 ml
35g	0.39 cups	0.39 cups (6 tablespoons + ¾ teaspoon)	6.2 tbsp	18.7 tsp	1.23 oz	92.0 ml
40g	0.44 cups	0.44 cups (7 tablespoons + ¼ teaspoon)	7.1 tbsp	21.3 tsp	1.41 oz	105.2 ml
45g	0.50 cups	½ cup	8.0 tbsp	24.0 tsp	1.59 oz	118.3 ml
50g	0.56 cups	0.56 cups (8 tablespoons + 2¾ teaspoons)	8.9 tbsp	26.7 tsp	1.76 oz	131.4 ml
55g	0.61 cups	0.61 cups (9 tablespoons + 2¼ teaspoons)	9.8 tbsp	29.3 tsp	1.94 oz	144.6 ml
56g	0.62 cups	0.62 cups (9 tablespoons + 2¾ teaspoons)	10.0 tbsp	29.9 tsp	1.98 oz	147.2 ml
60g	0.67 cups	⅔ cup	10.7 tbsp	32.0 tsp	2.12 oz	157.7 ml
65g	0.72 cups	¾ cup	11.6 tbsp	34.7 tsp	2.29 oz	170.9 ml
70g	0.78 cups	¾ cup	12.4 tbsp	37.3 tsp	2.47 oz	184.0 ml
75g	0.83 cups	0.83 cups (13 tablespoons + 1 teaspoon)	13.3 tbsp	40.0 tsp	2.65 oz	197.2 ml
80g	0.89 cups	0.89 cups (14 tablespoons + ¾ teaspoon)	14.2 tbsp	42.7 tsp	2.82 oz	210.3 ml
85g	0.94 cups	0.94 cups (15 tablespoons + ¼ teaspoon)	15.1 tbsp	45.3 tsp	3.00 oz	223.4 ml
90g	1.00 cups	1 cup	16.0 tbsp	48.0 tsp	3.17 oz	236.6 ml
95g	1.06 cups	1.06 cups (1 cup + 2¾ teaspoons)	16.9 tbsp	50.7 tsp	3.35 oz	249.7 ml
100g	1.11 cups	1 ⅛ cups	17.8 tbsp	53.3 tsp	3.53 oz	262.9 ml
105g	1.17 cups	1 ⅛ cups	18.7 tbsp	56.0 tsp	3.70 oz	276.0 ml
110g	1.22 cups	1 ¼ cups	19.6 tbsp	58.7 tsp	3.88 oz	289.2 ml
113g	1.26 cups	1 ¼ cups	20.1 tbsp	60.3 tsp	3.99 oz	297.0 ml
115g	1.28 cups	1 ¼ cups	20.4 tbsp	61.3 tsp	4.06 oz	302.3 ml
120g	1.33 cups	1 ⅓ cups	21.3 tbsp	64.0 tsp	4.23 oz	315.5 ml
125g	1.39 cups	1 ⅓ cups	22.2 tbsp	66.7 tsp	4.41 oz	328.6 ml
130g	1.44 cups	1 ½ cups	23.1 tbsp	69.3 tsp	4.59 oz	341.7 ml
135g	1.50 cups	1 ½ cups	24.0 tbsp	72.0 tsp	4.76 oz	354.9 ml
140g	1.56 cups	1 ½ cups	24.9 tbsp	74.7 tsp	4.94 oz	368.0 ml
145g	1.61 cups	1 ⅔ cups	25.8 tbsp	77.3 tsp	5.11 oz	381.2 ml
150g	1.67 cups	1 ⅔ cups	26.7 tbsp	80.0 tsp	5.29 oz	394.3 ml
155g	1.72 cups	1 ¾ cups	27.6 tbsp	82.7 tsp	5.47 oz	407.5 ml
160g	1.78 cups	1 ¾ cups	28.4 tbsp	85.3 tsp	5.64 oz	420.6 ml
165g	1.83 cups	1 ¾ cups	29.3 tbsp	88.0 tsp	5.82 oz	433.7 ml
170g	1.89 cups	1.89 cups (1 cup + 14 tablespoons + ¾ teaspoon)	30.2 tbsp	90.7 tsp	6.00 oz	446.9 ml
175g	1.94 cups	2 cups	31.1 tbsp	93.3 tsp	6.17 oz	460.0 ml
180g	2.00 cups	2 cups	32.0 tbsp	96.0 tsp	6.35 oz	473.2 ml
185g	2.06 cups	2 cups	32.9 tbsp	98.7 tsp	6.53 oz	486.3 ml
190g	2.11 cups	2 ⅛ cups	33.8 tbsp	101.3 tsp	6.70 oz	499.5 ml
195g	2.17 cups	2 ⅛ cups	34.7 tbsp	104.0 tsp	6.88 oz	512.6 ml
200g	2.22 cups	2 ¼ cups	35.6 tbsp	106.7 tsp	7.05 oz	525.8 ml
210g	2.33 cups	2 ⅓ cups	37.3 tbsp	112.0 tsp	7.41 oz	552.0 ml
220g	2.44 cups	2 ½ cups	39.1 tbsp	117.3 tsp	7.76 oz	578.3 ml
225g	2.50 cups	2 ½ cups	40.0 tbsp	120.0 tsp	7.94 oz	591.5 ml
227g	2.52 cups	2 ½ cups	40.4 tbsp	121.1 tsp	8.01 oz	596.7 ml
230g	2.56 cups	2 ½ cups	40.9 tbsp	122.7 tsp	8.11 oz	604.6 ml
240g	2.67 cups	2 ⅔ cups	42.7 tbsp	128.0 tsp	8.47 oz	630.9 ml
250g	2.78 cups	2 ¾ cups	44.4 tbsp	133.3 tsp	8.82 oz	657.2 ml
255g	2.83 cups	2 ¾ cups	45.3 tbsp	136.0 tsp	8.99 oz	670.3 ml
260g	2.89 cups	3 cups	46.2 tbsp	138.7 tsp	9.17 oz	683.5 ml
270g	3.00 cups	3 cups	48.0 tbsp	144.0 tsp	9.52 oz	709.8 ml
275g	3.06 cups	3 cups	48.9 tbsp	146.7 tsp	9.70 oz	722.9 ml
280g	3.11 cups	3 ⅛ cups	49.8 tbsp	149.3 tsp	9.88 oz	736.1 ml
290g	3.22 cups	3 ¼ cups	51.6 tbsp	154.7 tsp	10.23 oz	762.3 ml
300g	3.33 cups	3 ⅓ cups	53.3 tbsp	160.0 tsp	10.58 oz	788.6 ml
320g	3.56 cups	3 ½ cups	56.9 tbsp	170.7 tsp	11.29 oz	841.2 ml
330g	3.67 cups	3 ⅔ cups	58.7 tbsp	176.0 tsp	11.64 oz	867.5 ml
340g	3.78 cups	3 ¾ cups	60.4 tbsp	181.3 tsp	11.99 oz	893.8 ml
350g	3.89 cups	4 cups	62.2 tbsp	186.7 tsp	12.35 oz	920.1 ml
360g	4.00 cups	4 cups	64.0 tbsp	192.0 tsp	12.70 oz	946.4 ml
375g	4.17 cups	4 ⅛ cups	66.7 tbsp	200.0 tsp	13.23 oz	985.8 ml
380g	4.22 cups	4 ¼ cups	67.6 tbsp	202.7 tsp	13.40 oz	998.9 ml
390g	4.33 cups	4 ⅓ cups	69.3 tbsp	208.0 tsp	13.76 oz	1025.2 ml
400g	4.44 cups	4 ½ cups	71.1 tbsp	213.3 tsp	14.11 oz	1051.5 ml
410g	4.56 cups	4 ½ cups	72.9 tbsp	218.7 tsp	14.46 oz	1077.8 ml
420g	4.67 cups	4 ⅔ cups	74.7 tbsp	224.0 tsp	14.82 oz	1104.1 ml
425g	4.72 cups	4 ¾ cups	75.6 tbsp	226.7 tsp	14.99 oz	1117.2 ml
440g	4.89 cups	5 cups	78.2 tbsp	234.7 tsp	15.52 oz	1156.7 ml
450g	5.00 cups	5 cups	80.0 tbsp	240.0 tsp	15.87 oz	1182.9 ml
454g	5.04 cups	5 cups	80.7 tbsp	242.1 tsp	16.01 oz	1193.5 ml
460g	5.11 cups	5 ⅛ cups	81.8 tbsp	245.3 tsp	16.23 oz	1209.2 ml
480g	5.33 cups	5 ⅓ cups	85.3 tbsp	256.0 tsp	16.93 oz	1261.8 ml
500g	5.56 cups	5 ½ cups	88.9 tbsp	266.7 tsp	17.64 oz	1314.4 ml
520g	5.78 cups	5 ¾ cups	92.4 tbsp	277.3 tsp	18.34 oz	1367.0 ml
540g	6.00 cups	6 cups	96.0 tbsp	288.0 tsp	19.05 oz	1419.5 ml
550g	6.11 cups	6 ⅛ cups	97.8 tbsp	293.3 tsp	19.40 oz	1445.8 ml
560g	6.22 cups	6 ¼ cups	99.6 tbsp	298.7 tsp	19.75 oz	1472.1 ml
580g	6.44 cups	6 ½ cups	103.1 tbsp	309.3 tsp	20.46 oz	1524.7 ml
600g	6.67 cups	6 ⅔ cups	106.7 tbsp	320.0 tsp	21.16 oz	1577.3 ml
650g	7.22 cups	7 ¼ cups	115.6 tbsp	346.7 tsp	22.93 oz	1708.7 ml
680g	7.56 cups	7 ½ cups	120.9 tbsp	362.7 tsp	23.99 oz	1787.6 ml
700g	7.78 cups	7 ¾ cups	124.4 tbsp	373.3 tsp	24.69 oz	1840.1 ml
750g	8.33 cups	8 ⅓ cups	133.3 tbsp	400.0 tsp	26.46 oz	1971.6 ml
800g	8.89 cups	9 cups	142.2 tbsp	426.7 tsp	28.22 oz	2103.0 ml
850g	9.44 cups	9 ½ cups	151.1 tbsp	453.3 tsp	29.98 oz	2234.4 ml
900g	10.00 cups	10 cups	160.0 tbsp	480.0 tsp	31.75 oz	2365.9 ml
950g	10.56 cups	10 ½ cups	168.9 tbsp	506.7 tsp	33.51 oz	2497.3 ml
1000g	11.11 cups	11 ⅛ cups	177.8 tbsp	533.3 tsp	35.27 oz	2628.8 ml

Cups of Rolled Oats (Old-Fashioned) to Grams Reverse Table

Need to convert recipe cups back into grams for rolled oats (old-fashioned)? Use this handy reverse table.

All Cups to Grams Conversions→

Cups of Rolled Oats (Old-Fashioned) to Grams Reverse Table
Cup Volume	Weight in Grams (g)	Decimal Cups	Practical Spoon Breakdown	Ounces (oz)
¼ cup	23g	0.25 cups	4 tablespoons	0.79 oz
⅓ cup	30g	0.33 cups	5 tablespoons + 1 teaspoon	1.06 oz
½ cup	45g	0.50 cups	8 tablespoons	1.59 oz
⅔ cup	60g	0.67 cups	10 tablespoons + 2 teaspoons	2.12 oz
¾ cup	68g	0.75 cups	12 tablespoons	2.38 oz
1 cup	90g	1.00 cups	1 cup	3.17 oz
1¼ cups	113g	1.25 cups	1 cup + 4 tablespoons	3.97 oz
1½ cups	135g	1.50 cups	1 cup + 8 tablespoons	4.76 oz
1¾ cups	158g	1.75 cups	1 cup + 12 tablespoons	5.56 oz
2 cups	180g	2.00 cups	2 cups	6.35 oz
2½ cups	225g	2.50 cups	2 cups + 8 tablespoons	7.94 oz
3 cups	270g	3.00 cups	3 cups	9.52 oz
3½ cups	315g	3.50 cups	3 cups + 8 tablespoons	11.11 oz
4 cups	360g	4.00 cups	4 cups	12.70 oz

Why Your Cup of Rolled Oats (Old-Fashioned) Might Weigh Differently

Understanding key volumetric variables prevents measuring errors when converting recipes between cups and scale weights in grams.

Piece Size & Void Space

Irregular shapes and piece sizes create varying air voids between particles in the cup. Coarser cuts leave larger empty spaces, reducing total mass per cup.

Regional Cup Standard Variance

A US Customary cup holds 236.588 ml (90g), a US Legal cup holds 240 ml (91g), and a Metric cup holds 250 ml (95g). Selecting the wrong cup standard introduces a 5 to 6 percent variance.

Natural Moisture Content

Agricultural crop variations and drying levels influence the density and moisture weight of whole food ingredients.

Common Recipe Amounts for Rolled Oats (Old-Fashioned)

Standard amounts of rolled oats (old-fashioned) found in real baking formulas, converted into precise US customary cups.

100 grams1 ⅛ cups

Standard recipe portion for Rolled Oats (Old-Fashioned).

300 grams3 ⅓ cups

Bulk recipe measure for Rolled Oats (Old-Fashioned).

25 grams0.28 cups (4 tablespoons + 1¼ teaspoons)

Small batch measure for Rolled Oats (Old-Fashioned).

40 grams0.44 cups (7 tablespoons + ¼ teaspoon)

Small batch measure for Rolled Oats (Old-Fashioned).

70 grams¾ cup

Standard recipe portion for Rolled Oats (Old-Fashioned).

Frequently Asked Questions About Rolled Oats (Old-Fashioned)

Essential density and measurement answers tailored specifically for rolled oats (old-fashioned).

How many grams are in 1 cup of Rolled Oats (Old-Fashioned)?

One US customary cup of Rolled Oats (Old-Fashioned) weighs approximately 90 grams based on standard reference density. By comparison, 1 Metric cup (250ml) weighs 95 grams, and 1 UK Imperial cup (284ml) weighs 108 grams.

What is the recommended measuring method for Rolled Oats (Old-Fashioned)?

Scoop into cup and level gently. When possible, measuring by weight in grams provides the most reliable consistency.

Why does the density of Rolled Oats (Old-Fashioned) fluctuate in home baking?

Natural variations in humidity, grind fineness, and ambient storage temperature can alter Rolled Oats (Old-Fashioned) density by 3 to 8 percent. Measuring by weight in grams ensures consistent recipe results.

What volume is 100 grams of Rolled Oats (Old-Fashioned)?

One hundred grams of Rolled Oats (Old-Fashioned) converts to 1 ⅛ cups or 17.8 US tablespoons.

How many tablespoons is 25 grams of Rolled Oats (Old-Fashioned)?

Twenty-five grams of Rolled Oats (Old-Fashioned) equals 4.4 US tablespoons (13.3 teaspoons), representing 0.28 cups (4 tablespoons + 1¼ teaspoons).

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Data Sources & Editorial Verification

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King Arthur Baking

Editorial Audit

Last reviewed on 2026-08-20

Methodology & formulas audited against our calculation standards.