Cups to grams: bread cubes

A US cup of bread cubes weighs roughly 45 grams, or 1.59 ounces. Weighing is always more repeatable than scooping, which is why professional recipes give grams.

Amount in US cups

Or a weight to convert back

Weight

45.0g

= Exact bread cubes cups to grams Show in

Weight in ounces: 1.587
Cups in the weight you entered: 2.222
Tablespoons in that weight: 35.56
Tablespoons: 16.00
Teaspoons: 48.0
Volume: 236.6
Grams per cup used: 45.0
Implied bulk density: 0.1902 g/mL

Show the working

Amount in US cups = 1
Or a weight to convert back = 100
Grams per cup used = 45 = 45
Weight = 1 * 45 = 45
Weight in ounces = 45 / 28.349523125 = 1.587 33
Tablespoons = 1 * 16 = 16
Teaspoons = 1 * 48 = 48
Volume = 1 * 236.5882365 = 236.588
Cups in the weight you entered = 45 > 0 ? 100 / 45 : 0 = 2.222 22
Tablespoons in that weight = 2.222 22 * 16 = 35.5556
Implied bulk density = 45 / 236.5882365 = 0.190 204

Values are shown to six significant figures here; the arithmetic itself runs on exact fractions and is only rounded where a number is printed.

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The formula

grams = cups x grams per cup
1 US cup = 16 tablespoons = 48 teaspoons = 236.588 236 5 mL exactly
1 ounce = 28.349 523 125 g exactly

Cup figures assume the spoon-and-level convention: fluff the ingredient, spoon it into the cup and sweep the top flat. Dipping the cup straight into the bag packs in up to 20% more.

The volume conversions on this page are exact by definition. Only the grams-per-cup figure is a measured convention, and it is stated above so you can substitute your own.

Common measures of bread cubes

Measure	Grams	Ounces
1 teaspoon	0.94	0.033
1 tablespoon	2.81	0.099
1/4 cup	11.3	0.40
1/3 cup	15.0	0.53
1/2 cup	22.5	0.79
1 cup	45.0	1.59
2 cups	90.0	3.17

Rounded for the kitchen. The calculator above keeps full precision.

Frequently asked

How many grams are in a cup of bread cubes?

About 45 g, using the spoon-and-level convention for a US cup.

How many grams are in a tablespoon of bread cubes?

About 2.81 g, since a tablespoon is exactly one sixteenth of a US cup.

Is a US cup the same as a metric cup?

No. A US cup is 236.588 mL, a metric cup is 250 mL and an imperial cup is 284.13 mL. A recipe that says "cup" without qualification almost always means the US one.

Where the numbers come from

Volume relationships follow the US customary definitions; the grams-per-cup figure is the widely published spoon-and-level convention for this ingredient.