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How Much Is 2.99 Cups of Quinoa in Ounces?

2.99 cups of quinoa weighs 17.93 oz. This is based on quinoa having a density of 170g per cup. Because cups measure volume and ounces measure weight, the result depends on the ingredient, and a different ingredient would give a different result for the same 2.99 cups.

2.99 cups of quinoa
=
17.93oz
Result using all cup standards info
17.93 oz (US) 18.95 oz (Metric Cup) 21.53 oz (Imperial Cup)
2.99 cups of quinoa is also
17.93

Formula and Step-by-Step

cups × 170g/cup ÷ 28.3495g/oz = ounces
  1. Start with 2.99 cups of quinoa
  2. 1 cup of quinoa = 170g
  3. 2.99 × 170 = 508.3g
  4. Convert grams to ounces: 508.3 ÷ 28.3495 = 17.93 oz

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

Measuring Tip

Pour grains into the measuring cup and level off. Do not shake or tap, as this settles the grains and increases the weight.

Quinoa at Different Amounts

How quinoa scales across common cups measurements. Your amount (2.99 cups) is highlighted.

0.75 cups4.50 oz1 cup6.00 oz1.5 cups8.99 oz2 cups11.99 oz2.99 cups17.93 oz3 cups17.99 oz4 cups23.99 oz5 cups29.98 oz

For reference, 2.99 cups of quinoa (508.3g) is close in weight to a bottle of water (500 ml) (510g).

Other Amounts of Quinoa

Cups US Ounces Metric Cup Imperial Cup
0.25 cups 1.50 oz 1.58 oz 1.80 oz
0.33 cups 1.98 oz 2.09 oz 2.38 oz
0.5 cups 3.00 oz 3.17 oz 3.60 oz
0.75 cups 4.50 oz 4.75 oz 5.40 oz
1 cup 6.00 oz 6.34 oz 7.20 oz
1.5 cups 8.99 oz 9.50 oz 10.80 oz
2 cups 11.99 oz 12.67 oz 14.40 oz
2.99 cups 17.93 oz 18.95 oz 21.53 oz
3 cups 17.99 oz 19.01 oz 21.60 oz
4 cups 23.99 oz 25.35 oz 28.81 oz
5 cups 29.98 oz 31.68 oz 36.01 oz

Understanding the Units

What is a Cup?

A cup is a US customary unit of volume equal to 236.588 milliliters or 8 fluid ounces. It is the most common volume measurement in American recipes. One cup can be divided into 16 tablespoons or 48 teaspoons.

What is an Ounce?

An ounce (oz) is a US customary unit of weight equal to 28.3495 grams or 1/16 of a pound. In cooking, "ounces" refers to weight (avoirdupois ounces), not fluid ounces which measure volume.

Frequently Asked Questions

About 17.93 oz, based on quinoa having a density of 170g per cup. The exact amount depends on how the ingredient is measured and the specific product.
Multiply the number of cups by 170 (grams per cup for quinoa), then divide by 28.3495 to convert grams to ounces. For 2.99 cups: 2.99 × 170 = 508.3g, then 508.3 ÷ 28.3495 = 17.93 oz.
For the most accurate results, weigh quinoa 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: 17.93 oz × 28.3495 = 508.3g, then 508.3g ÷ 170 = 2.99 cups. Or use the Ounces to Cups converter.