12 oz of Jam to Cups
12 ounces of jam = about 1⅛ cups
That's 1.06 US cups, or 1.01 metric cups (250 ml).
12 ounces of jam in other units
- Grams
- 340
- US cups
- 1.06
- Metric cups (250 ml)
- 1.01
- Tablespoons
- 17
- Milliliters
- 252
How to convert ounces of jam to cups
Weight ounces first become grams (1 oz = 28.35 g), so 12 oz = 340 g. One US cup of jam weighs 320 g, so 340 ÷ 320 = 1.06 cups.
Wet, chunky ingredients vary a lot by volume. A kitchen scale gives the most reliable result.
Jam: ounces to cups chart
| Ounces | Cups | Exact |
|---|---|---|
| 1 ounce | about 1½ tablespoons | 0.09 cups |
| 2 ounces | about 2¾ tablespoons | 0.18 cups |
| 3 ounces | about ¼ cup | 0.27 cups |
| 4 ounces | about ⅜ cup | 0.35 cups |
| 5 ounces | about ½ cup | 0.44 cups |
| 6 ounces | about ½ cup | 0.53 cups |
| 8 ounces | about ¾ cup | 0.71 cups |
| 10 ounces | about ⅞ cup | 0.89 cups |
| 12 ounces | about 1⅛ cups | 1.06 cups |
| 16 ounces | about 1⅜ cups | 1.42 cups |
12 ounces of other ingredients
The same amount weighs very different things depending on the ingredient:
| Ingredient | Cups | Exact |
|---|---|---|
| Blueberries | about 2⅓ cups | 2.3 cups |
| Mashed Banana | about 1½ cups | 1.51 cups |
| Pumpkin Purée | about 1⅜ cups | 1.39 cups |
| Applesauce | 1⅓ cups | 1.33 cups |
| Mayonnaise | about 1½ cups | 1.55 cups |
| All-Purpose Flour | about 2¾ cups | 2.72 cups |
| Bread Flour | about 2⅔ cups | 2.68 cups |
| Almond Flour | about 3½ cups | 3.54 cups |
| Granulated Sugar | about 1⅔ cups | 1.7 cups |
| Brown Sugar | about 1½ cups | 1.55 cups |
| Powdered Sugar | about 2⅞ cups | 2.83 cups |
| Honey | 1 cup | 1 cups |
| Butter | 1½ cups | 1.5 cups |
| Milk | about 1⅜ cups | 1.39 cups |
More jam conversions
Frequently asked questions
How many cups is 12 ounces of jam?
12 ounces of jam is about 1⅛ cups (1.06 cups), based on 320 g per level US cup.
Is it different with a UK or Australian cup?
Slightly. UK, Australian and New Zealand recipes use a 250 ml metric cup, which is about 6% bigger than a US cup (236.6 ml). In metric cups, 12 ounces of jam is 1.01 cups.
Should I weigh jam or measure it by volume?
Wet, chunky ingredients vary a lot by volume. A kitchen scale gives the most reliable result. Weighing is always more accurate, which is why grams are the safest choice for baking.