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How Much Is 0.3 Cups of Onions (Diced) in Grams?

0.3 cups of onions (diced) weighs 48.00 g. This is based on onions (diced) having a density of 160g per cup. Because cups measure volume and grams measure weight, the result depends on the ingredient, and a different ingredient would give a different result for the same 0.3 cups.

0.3 cups of onions (diced)
=
48.00g
Result using all cup standards info
48.00 g (US) 50.72 g (Metric Cup) 57.65 g (Imperial Cup)
0.3 cups of onions (diced) is also
48.00

Formula and Step-by-Step

cups × 160g/cup = grams
  1. Start with 0.3 cups of onions (diced)
  2. 1 cup of onions (diced) = 160g
  3. 0.3 × 160 = 48g

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 (0.3 cups) is highlighted.

0.25 cups40 g0.3 cups48 g0.33 cups52.8 g0.5 cups80 g0.75 cups120 g1 cup160 g1.5 cups240 g2 cups320 g

For reference, 0.3 cups of onions (diced) (48g) is close in weight to a golf ball (46g).

Other Amounts of Onions (Diced)

Cups US Grams Metric Cup Imperial Cup
0.25 cups 40.00 g 42.27 g 48.04 g
0.3 cups 48.00 g 50.72 g 57.65 g
0.33 cups 52.80 g 55.79 g 63.41 g
0.5 cups 80.00 g 84.54 g 96.08 g
0.75 cups 120.00 g 126.80 g 144.11 g
1 cup 160.00 g 169.07 g 192.15 g
1.5 cups 240.00 g 253.61 g 288.23 g
2 cups 320.00 g 338.14 g 384.30 g
3 cups 480.00 g 507.21 g 576.46 g
4 cups 640.00 g 676.28 g 768.61 g
5 cups 800.00 g 845.35 g 960.76 g

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 a Gram?

Weighing ingredients in grams eliminates the variability of volume measurements. A cup of flour can weigh anywhere from 120g to 160g depending on how it was scooped, but 120g of flour is always 120g of flour.

Frequently Asked Questions

About 48.00 g, 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)). For 0.3 cups: 0.3 × 160 = 48.00 g.
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: 48.00 g ÷ 160 = 0.3 cups. Or use the Grams to Cups converter.