How to measure tomato sauce
The USDA entry is “Tomato products, canned, sauce, 1 cup = 245 g”. The tomato products on this site line up closely: canned tomatoes in juice are 240 grams per cup, crushed tomatoes 242 grams, tomato sauce 245 grams, and only tomato paste stands out at 262 grams. King Arthur Baking’s chart lists pizza sauce at 57 grams per quarter cup, which is 228 grams per cup. Tomato sauce pours, so a liquid measuring cup read at eye level is fine. Half a cup is about 123 grams, a quarter cup about 61 grams and a tablespoon about 15.3 grams. 8 ounces, 227 grams, is about 0.93 cups.
Sources: 245 grams per US cup is the cup weight in USDA FoodData Central (open FDC entry 170054), entry “Tomato products, canned, sauce, 1 cup = 245 g”. Cup and ounce sizes: NIST SP 811.
Tomato sauce: cups to grams chart
| Cups | Grams | Ounces |
|---|---|---|
| 1/8 cup | 31 g | 1.08 oz |
| 1/4 cup | 61 g | 2.16 oz |
| 1/3 cup | 82 g | 2.88 oz |
| 1/2 cup | 123 g | 4.32 oz |
| 2/3 cup | 163 g | 5.76 oz |
| 3/4 cup | 184 g | 6.48 oz |
| 1 cup | 245 g | 8.64 oz |
| 1 1/4 cups | 306 g | 10.8 oz |
| 1 1/2 cups | 368 g | 13 oz |
| 1 3/4 cups | 429 g | 15.1 oz |
| 2 cups | 490 g | 17.3 oz |
| 2 1/2 cups | 613 g | 21.6 oz |
| 3 cups | 735 g | 25.9 oz |
| 4 cups | 980 g | 34.6 oz |
Tablespoons and teaspoons of tomato sauce
For small amounts, a teaspoon of tomato sauce is 5.1 g, a tablespoon 15 g and a quarter cup, which is 4 tablespoons, 61 g.
| Spoons | Grams |
|---|---|
| 1/4 tsp | 1.3 g |
| 1/2 tsp | 2.6 g |
| 1 tsp | 5.1 g |
| 1 tbsp | 15 g |
| 2 tbsp | 31 g |
| 3 tbsp | 46 g |
| 4 tbsp | 61 g |
Grams of tomato sauce to cups
Divide grams by 245 to get cups of tomato sauce. Per milliliter it weighs about 1.04 g, 8 g more than the same cup of water at 237 g.
| Grams | Cups | In the kitchen |
|---|---|---|
| 25 g | 0.1 cup | about 1.6 tbsp |
| 50 g | 0.2 cup | just under 1/4 cup |
| 100 g | 0.41 cup | just over 3/8 cup |
| 150 g | 0.61 cup | just under 5/8 cup |
| 200 g | 0.82 cup | just under 7/8 cup |
| 250 g | 1.02 cups | just over 1 cup |
| 300 g | 1.22 cups | just under 1 1/4 cups |
| 400 g | 1.63 cups | about 1 5/8 cups |
| 500 g | 2.04 cups | just over 2 cups |
| 1,000 g | 4.08 cups | just under 4 1/8 cups |
Ounces and pounds of tomato sauce to cups
Tomato sauce by the pound: 1.85 cups, just under 1 7/8 cups per pound, 0.46 cups per 4 ounces.
| Weight (not fluid oz) | Grams | Cups | In the kitchen |
|---|---|---|---|
| 4 oz | 113 g | 0.46 cups | just under 1/2 cup |
| 8 oz | 227 g | 0.93 cups | just over 7/8 cup |
| 12 oz | 340 g | 1.39 cups | just over 1 3/8 cups |
| 1 lb | 454 g | 1.85 cups | just under 1 7/8 cups |
| 2 lb | 907 g | 3.7 cups | just over 3 2/3 cups |
| 5 lb | 2,268 g | 9.26 cups | about 9 1/4 cups |
Other pantry staples closest in weight
Tomato sauce and canned crushed tomatoes weigh within 3 grams per cup (245 g against 242 g), so a cup of one weighs about the same as a cup of the other.
Of the 33 pantry staples on this site, tomato sauce is the 10th heaviest per cup, level with pumpkin purée. Across all 193 ingredients, 23 weigh more per cup and 166 weigh less.
- Kosher salt (dense, granular): 256 grams per cup, 11 g more
- Yellow mustard: 249 grams per cup, 4 g more
- Pumpkin purée: 245 grams per cup, the same
- Crushed tomatoes (canned): 242 grams per cup, 3 g less
- Canned tomatoes (in juice): 240 grams per cup, 5 g less
- Ketchup: 240 grams per cup, 5 g less
For every ingredient in one place, open the cups to grams converter. The grams to ounces converter helps if your scale shows ounces, and the recipe scaler resizes the rest of the recipe.
Frequently asked questions
How many grams is 1/2 cup of tomato sauce?
Half a cup of tomato sauce weighs about 123 g; a quarter cup 61 g, three quarters 184 g.
How many cups is 100 grams of tomato sauce?
0.41 cups, just over 3/8 cup: 100 divided by 245.
How many grams are in a tablespoon of tomato sauce?
About 15 grams in a tablespoon and 5.1 grams in a teaspoon, measured level.
How many cups is 8 ounces of tomato sauce?
About 0.93 cups. 8 ounces is 227 grams, and 227 divided by 245 is 0.93, so just under a cup.
Do tomato sauce and crushed tomatoes weigh the same?
Within 3 grams per cup. USDA FoodData Central gives 245 grams for canned tomato sauce and 121 grams per half cup, or 242 grams per cup, for crushed tomatoes.
How many cups of tomato sauce are in a pound?
1.85 cups, just under 1 7/8 cups. A pound is 453.6 g and each cup of tomato sauce weighs 245 g. For a kilogram of tomato sauce, count 4.1 cups.
Does a cup of tomato sauce weigh 8 ounces?
No. Eight fluid ounces is the cup’s volume; on a scale a cup of tomato sauce reads about 8.64 ounces (245 g). For 8 ounces by weight, 226.8 g, measure 0.93 cups, just over 7/8 cup.