Ounces to Cups for jam

Convert ounces (weight) of jam to US cups. A US cup of jam weighs about 320 g, so the answer depends on the ingredient. Weighing is more accurate…

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Convert ounces (weight) of jam to US cups. A US cup of jam weighs about 320 g, so the answer depends on the ingredient. Weighing is more accurate than measuring by volume, so use this when a recipe lists the other unit.

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Worked example

Example calculated from the starting values. Enter your own values and press Calculate to get your result.

Cups of jam0.71 cups

With the default inputs (amount of jam = 8 oz), the results are: cups of jam 0.71 cups.

Quick reference: amount of jam vs result

Reference table based on the example values; it is not your calculation result.

Amount of jam (oz)Cups of jam
40.35 cups
80.71 cups
161.42 cups
403.54 cups
807.09 cups
16014.17 cups

Frequently asked questions

What formula does this calculator use?

Cups of jam = amount × 28.349523125 ÷ gpc. Variables: amount = amount of jam in oz. Fixed values: gpc = 320.

What do I need to enter?

You need amount of jam (oz). Results update as you type.

What is an example result?

With the default inputs (amount of jam = 8 oz), the results are: cups of jam 0.71 cups.

How accurate is this cooking conversion?

It uses an average of 320 g per US cup (236.6 mL) for jam. Packing, sifting and brand differences can change the real weight by 10% or more.

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