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How Much Is 1 Fluid Ounce of Tomato Sauce in Grams?

1 fluid ounce of tomato sauce equals 30.63 g. Tomato sauce has a density of 245g per cup (30.63g per fluid ounce), which means it's relatively light compared to other common cooking ingredients. For comparison, 1 fluid ounce of honey would be 42.5 g.

1 fluid ounce of tomato sauce
=
30.63g
Result using all fluid ounce standards info
30.63 g (US) 29.42 g (UK Fluid Ounce)
1 fluid ounce of tomato sauce is also
30.63

Formula and Step-by-Step

fluid ounces × 30.63g/fl oz = grams
  1. Start with 1 fluid ounce of tomato sauce
  2. 1 fluid ounce of tomato sauce = 30.63g
  3. 1 × 30.63 = 30.63g

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

Mental Math Shortcut

For 1 fluid ounce of tomato sauce, just remember: 30.63g. Double it for 2 fluid ounces (61.25g), halve it for a half fluid ounce (15.31g).

Measuring Tip

For liquids, place your measuring cup on a flat surface and read at eye level. The bottom of the meniscus (the curve at the surface) should align with the measurement line.

Tomato Sauce at Different Amounts

How tomato sauce scales across common fluid ounces measurements. Your amount (1 fluid ounce) is highlighted.

1 fl oz30.63 g2 fl oz61.25 g3 fl oz91.88 g4 fl oz122.5 g5 fl oz153.13 g6 fl oz183.75 g8 fl oz245 g10 fl oz306.25 g

For reference, 1 fluid ounce of tomato sauce (30.63g) is close in weight to a slice of bread (30g).

Other Amounts of Tomato Sauce

Fluid Ounces US Grams UK Fluid Ounce
1 fluid ounce 30.63 g 29.42 g
2 fluid ounces 61.25 g 58.85 g
3 fluid ounces 91.88 g 88.27 g
4 fluid ounces 122.50 g 117.69 g
5 fluid ounces 153.13 g 147.11 g
6 fluid ounces 183.75 g 176.54 g
8 fluid ounces 245.00 g 235.38 g
10 fluid ounces 306.25 g 294.23 g
12 fluid ounces 367.50 g 353.07 g
16 fluid ounces 490.00 g 470.76 g

Understanding the Units

What is a Fluid Ounce?

There are 8 fluid ounces in a US cup and 128 fluid ounces in a US gallon. The UK fluid ounce is slightly smaller (28.413 ml vs 29.574 ml), so UK and US recipes using fluid ounces will differ slightly.

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 30.63 g, based on tomato sauce having a density of 245g per cup. The exact amount depends on how the ingredient is measured and the specific product.
Multiply the number of fluid ounces by 30.63 (grams per fluid ounce for tomato sauce). For 1 fluid ounce: 1 × 30.63 = 30.63 g.
For the most accurate results, weigh tomato sauce on a kitchen scale. If measuring by volume, use a liquid measuring cup on a flat surface and read the level at eye height.
Temperature has a minimal effect on most cooking liquids. The density of tomato sauce changes slightly with temperature, but the difference is usually less than 1-2% between refrigerator and room temperature. This conversion assumes room temperature.
Reverse the conversion: 30.63 g ÷ 30.63 = 1 fluid ounce. Or use the Grams to Fluid Ounces converter.