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How Much Is 128 Cups of Onions (Diced) in Ounces?

128 cups of onions (diced) equals 722.41 oz. Onions (diced) has a density of 160g per cup (160g per cup), which means it's moderate weight compared to other common cooking ingredients. For comparison, 128 cups of all-purpose flour would be 565.11 oz.

128 cups of onions (diced)
=
722.41oz
Result using all cup standards info
722.41 oz (US) 763.36 oz (Metric Cup) 867.58 oz (Imperial Cup)
128 cups of onions (diced) is also
722.41

Formula and Step-by-Step

cups × 160g/cup ÷ 28.3495g/oz = ounces
  1. Start with 128 cups of onions (diced)
  2. 1 cup of onions (diced) = 160g
  3. 128 × 160 = 20,480g
  4. Convert grams to ounces: 20,480 ÷ 28.3495 = 722.41 oz

The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.

Measuring Tip

For consistent results, weigh onions (diced) rather than measuring by volume. A cup of diced produce can vary by 20% depending on dice size.

Onions (Diced) at Different Amounts

How onions (diced) scales across common cups measurements. Your amount (128 cups) is highlighted.

0.75 cups4.23 oz1 cup5.64 oz1.5 cups8.47 oz2 cups11.29 oz3 cups16.93 oz4 cups22.58 oz5 cups28.22 oz128 cups722.41 oz

Other Amounts of Onions (Diced)

Cups US Ounces Metric Cup Imperial Cup
0.25 cups 1.41 oz 1.49 oz 1.69 oz
0.33 cups 1.86 oz 1.97 oz 2.24 oz
0.5 cups 2.82 oz 2.98 oz 3.39 oz
0.75 cups 4.23 oz 4.47 oz 5.08 oz
1 cup 5.64 oz 5.96 oz 6.78 oz
1.5 cups 8.47 oz 8.95 oz 10.17 oz
2 cups 11.29 oz 11.93 oz 13.56 oz
3 cups 16.93 oz 17.89 oz 20.33 oz
4 cups 22.58 oz 23.86 oz 27.11 oz
5 cups 28.22 oz 29.82 oz 33.89 oz
128 cups 722.41 oz 763.36 oz 867.58 oz

Understanding the Units

What is a Cup?

The US cup (236.588 ml) is slightly smaller than the metric cup used in Australia and some other countries (250 ml). When following recipes from different countries, check which cup standard is being used.

What is an Ounce?

Ounces are commonly used in US recipes for cheese, meat, chocolate, and other ingredients sold by weight. Many kitchen scales offer both gram and ounce readings.

Frequently Asked Questions

About 722.41 oz, based on onions (diced) having a density of 160g per cup. The exact amount depends on how the ingredient is measured and the specific product.
Multiply the number of cups by 160 (grams per cup for onions (diced)), then divide by 28.3495 to convert grams to ounces. For 128 cups: 128 × 160 = 20,480g, then 20,480 ÷ 28.3495 = 722.41 oz.
For the most accurate results, weigh onions (diced) on a kitchen scale. If measuring by volume, spoon the ingredient into the measuring cup and level it off with a straight edge rather than scooping directly.
Weight-per-cup values vary because of differences in how the ingredient is measured (spooned vs scooped), grind size, moisture content, and settling during storage. Our values use standardized measurement methods from established culinary references.
Reverse the conversion: 722.41 oz × 28.3495 = 20,480g, then 20,480g ÷ 160 = 128 cups. Or use the Ounces to Cups converter.