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How Much Is 8 Fluid Ounces of Tomato Sauce in Ounces?

Converting 8 fluid ounces of tomato sauce to ounces gives 8.64 oz. One fluid ounce of tomato sauce weighs 30.63g, so 8 fluid ounces is 8 × 30.63 = 245g (8.64 oz). This conversion is specific to tomato sauce because each ingredient has a different density.

8 fluid ounces of tomato sauce
=
8.64oz
Result using all fluid ounce standards info
8.64 oz (US) 8.30 oz (UK Fluid Ounce)
8 fluid ounces of tomato sauce is also
8.64

Formula and Step-by-Step

fluid ounces × 30.63g/fl oz ÷ 28.3495g/oz = ounces
  1. Start with 8 fluid ounces of tomato sauce
  2. 1 fluid ounce of tomato sauce = 30.63g
  3. 8 × 30.63 = 245g
  4. Convert grams to ounces: 245 ÷ 28.3495 = 8.64 oz

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

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 (8 fluid ounces) is highlighted.

3 fl oz3.24 oz4 fl oz4.32 oz5 fl oz5.40 oz6 fl oz6.48 oz8 fl oz8.64 oz10 fl oz10.80 oz12 fl oz12.96 oz16 fl oz17.28 oz

For reference, 8 fluid ounces of tomato sauce (245g) is close in weight to a cup of water (237g).

Other Amounts of Tomato Sauce

Fluid Ounces US Ounces UK Fluid Ounce
1 fluid ounce 1.08 oz 1.04 oz
2 fluid ounces 2.16 oz 2.08 oz
3 fluid ounces 3.24 oz 3.11 oz
4 fluid ounces 4.32 oz 4.15 oz
5 fluid ounces 5.40 oz 5.19 oz
6 fluid ounces 6.48 oz 6.23 oz
8 fluid ounces 8.64 oz 8.30 oz
10 fluid ounces 10.80 oz 10.38 oz
12 fluid ounces 12.96 oz 12.45 oz
16 fluid ounces 17.28 oz 16.61 oz

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 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 8.64 oz, 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), then divide by 28.3495 to convert grams to ounces. For 8 fluid ounces: 8 × 30.63 = 245g, then 245 ÷ 28.3495 = 8.64 oz.
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: 8.64 oz × 28.3495 = 245g, then 245g ÷ 30.63 = 8 fluid ounces. Or use the Ounces to Fluid Ounces converter.