Tomato Ketchup — Grams ↔ Cups Converter
1 US Customary cup (236.6 mL) of tomato ketchup weighs 240 grams (8.47 ounces or 15g per tablespoon) when measured packed; 1 Metric cup (250 mL) weighs 253.6g and 100g equals ⅓ cup + 1 tbsp + 1 tsp for accurate kitchen baking.
Kitchen note: 1 US Customary Cup (236.6 mL) of tomato ketchup (packed) weighs 240g, while 1 International Metric Cup (250 mL) weighs 254g.
Ketchup: Cups & Spoons to Grams
Based on 240g per 236.6 mL US cup (Packed).
| Volume | Grams | Ounces |
|---|---|---|
| 1 Teaspoon (tsp) | 5 g | 0.18 oz |
| 1 Tablespoon (tbsp) | 15 g | 0.53 oz |
| ⅛ US Cup (2 tbsp) | 30 g | 1.06 oz |
| ¼ US Cup (4 tbsp) | 60 g | 2.12 oz |
| ⅓ US Cup | 80 g | 2.82 oz |
| ½ US Cup (8 tbsp) | 120 g | 4.23 oz |
| ⅔ US Cup | 160 g | 5.64 oz |
| ¾ US Cup (12 tbsp) | 180 g | 6.35 oz |
| 1 US Cup (236.6 mL) | 240 g | 8.47 oz |
| 1 Metric Cup (250 mL) | 253.6 g | 8.95 oz |
| 1 ½ US Cups | 360 g | 12.7 oz |
| 2 US Cups | 480 g | 16.93 oz |
| 3 US Cups | 720 g | 25.4 oz |
| 4 US Cups (1 Quart) | 960 g | 33.86 oz |
Ketchup: Grams to US Cups
Nearest practical baker cup & spoon breakdown.
| Weight | Kitchen Measure | Decimal |
|---|---|---|
| 10 g | 2 tsp | 0.04 c |
| 25 g | 1 tbsp + 2 tsp | 0.10 c |
| 50 g | 3 tbsp + 1 tsp | 0.21 c |
| 75 g | ¼ cup + 1 tbsp | 0.31 c |
| 100 g | ⅓ cup + 1 tbsp + 1 tsp | 0.42 c |
| 125 g | ½ cup + 1 tsp | 0.52 c |
| 150 g | ½ cup + 2 tbsp | 0.63 c |
| 200 g | ¾ cup + 1 tbsp + 1 tsp | 0.83 c |
| 250 g | 1 cup + 2 tsp | 1.04 c |
| 300 g | 1 ¼ cups | 1.25 c |
| 400 g | 1 ⅔ cups | 1.67 c |
| 500 g | 2 cups + 1 tbsp + 1 tsp | 2.08 c |
| 750 g | 3 ⅛ cups | 3.13 c |
| 1000 g | 4 cups + 2 tbsp + 2 tsp | 4.17 c |
How to Measure Tomato Ketchup Accurately
Squeeze or spoon viscous ketchup into the measuring cup, tap the base on the counter to dislodge trapped air cavities, and swipe level. Tomato concentrate and dissolved sugars give ketchup a dense weight of 240 grams per cup.
Data reference: USDA FoodData Central FDC ID 170560; Heinz Technical Specifications
Common Culinary Uses
- Meatloaf sweet glaze topping
- Barbecue sauce base
- Burger condiment
- Cocktail sauce for shrimp
Weight-Aware Substitutions
- Tomato paste mixed with equal parts cider vinegar and brown sugar at 1:1 weight.
- Barbecue sauce at 1:1 weight.
Tomato Ketchup Measuring FAQs
Why is ketchup so thick yet flows easily when shaken? ▾
Ketchup is a non-Newtonian, shear-thinning thixotropic fluid: when subjected to shear stress (tapping or shaking), its viscosity drops dramatically.
How long does opened ketchup last in the refrigerator? ▾
Opened ketchup maintains optimal flavor and color for up to 6 months when kept chilled.