How many ounces in 1 1/3 cups?

1 1/3 cups = 10.67 fl oz

21.33 Tbsp · 64 tsp · 315 mL

Measure with: 1 cup + 1/3 cup

Converter

1 1/3 cups = 10.67 fl oz

Fluid ounces: 10.67 fl oz
Cups: 1 1/3 (1.333)
Tablespoons: 21.33
Teaspoons: 64
Milliliters: 315 mL
Measure with: 1 cup + 1/3 cup

Other cup standards

US cups: 1.333 · nutrition-label cups (240 mL): 1.314 · metric cups (250 mL): 1.262 · UK fluid ounces: 11.1

US customary cup = 236.6 mL

Fill the 1-cup measure, then the 1/3 cup. If the 1/3 cup is your only clean measure, four level scoops land on 1 1/3 cups exactly.

This amount often turns up when a recipe calling for 2/3 cup is doubled. Going the other way, half of it is 2/3 cup; the details are on half of 1 1/3 cups.

Weights for the same volume: about 160 g (5.64 oz) of spooned all-purpose flour and about 264 g (9.31 oz) of granulated sugar. In spoons it is 21 Tbsp + 1 tsp, a lot of scooping, so stick with the cups.

Cups to fluid ounces, tablespoons and mL
Cups	Fluid ounces	Tablespoons	Teaspoons	mL
1/8 cup	1 fl oz	2	6	30
1/6 cup	1.33 fl oz	2.67	8	39
1/4 cup	2 fl oz	4	12	59
1/3 cup	2.67 fl oz	5.33	16	79
3/8 cup	3 fl oz	6	18	89
1/2 cup	4 fl oz	8	24	118
2/3 cup	5.33 fl oz	10.67	32	158
3/4 cup	6 fl oz	12	36	177
7/8 cup	7 fl oz	14	42	207
1 cup	8 fl oz	16	48	237
1 1/4 cups	10 fl oz	20	60	296
1 1/3 cups	10.67 fl oz	21.33	64	315
1 1/2 cups	12 fl oz	24	72	355
2 cups	16 fl oz	32	96	473
2 1/2 cups	20 fl oz	40	120	591
3 cups	24 fl oz	48	144	710
4 cups	32 fl oz	64	192	946
5 cups	40 fl oz	80	240	1,183
6 cups	48 fl oz	96	288	1,420
8 cups	64 fl oz	128	384	1,893
16 cups	128 fl oz	256	768	3,785

What 1 1/3 cups weighs

Weight of 1 1/3 cups by ingredient
Ingredient	1 1/3 cup	How measured
All-purpose flour	160 g · 5.64 oz	spooned into the cup and leveled
Granulated sugar	264 g · 9.31 oz	scooped and leveled
Brown sugar (packed)	284 g · 10.02 oz	packed firmly
Butter	302 g · 10.67 oz	cut at the Tbsp marks on the wrapper (1 stick = 1/2 cup)
Rolled oats	119 g · 4.19 oz	scooped and leveled
Water	315 g · 11.1 oz	liquid measuring cup

Questions

How many ounces is 1 1/3 cups?

10.67 fl oz, or 10 2/3 fl oz.

How many tablespoons in 1 1/3 cups?

21 1/3 tablespoons, which is 21 Tbsp + 1 tsp.

How do you measure 1 1/3 cups with a 1/3 cup?

Fill it four times and level each scoop.

Sources: US customary units: NIST Handbook 44 · ingredient weights: King Arthur Baking ingredient weight chart. How we calculate.