Sun-Dried Tomatoes — Cups to Grams

1 cup oil-packed drained = 110g — dry-packed julienned is only 54g/cup; an 8.5 oz jar yields ~2.2 cups drained

Variant
Result
110grams

1 cup Sun-Dried Tomatoes = 110 grams

Tablespoons15.9
Teaspoons47.8
Ounces3.88

Quick Conversion Table — Sun-Dried Tomatoes

CupsGramsTablespoonsTeaspoons
¼27.5 g3.99 tbsp12 tsp
36.7 g5.32 tbsp16 tsp
½55 g7.97 tbsp23.9 tsp
73.3 g10.6 tbsp31.9 tsp
¾82.5 g12 tbsp35.9 tsp
1110 g15.9 tbsp47.8 tsp
165 g23.9 tbsp71.7 tsp
2220 g31.9 tbsp95.7 tsp
3330 g47.8 tbsp143.5 tsp
4440 g63.8 tbsp191.3 tsp

Why Sun-Dried Tomato Weight Varies So Much by Form

Few ingredients show a larger weight variation by form than sun-dried tomatoes. The 54g dry-packed to 225g oil-packed undrained range represents a 4.2× weight difference for the same 1-cup volume — a discrepancy that can completely derail a recipe if the wrong form is used.

The water removal physics: Fresh tomatoes are approximately 94% water by weight. Sun-drying removes 90–95% of this water, concentrating the solids into a small, dense, chewy piece. A fresh Roma tomato weighing 60g produces approximately 6–8g of dry sun-dried product — a 7.5–10× weight reduction. This extreme dehydration is why dry-packed sun-dried tomatoes are so light (54g per cup): the pieces are very low-density, porous, and irregularly shaped.

Oil-packed vs dry-packed: Oil-packed sun-dried tomatoes are rehydrated before packing — they've absorbed oil and have a plumper, softer texture than dry-packed. The drained weight (110g/cup) reflects the tomatoes themselves after most oil has dripped off. The undrained weight (225g/cup) includes the substantial oil surrounding each piece. This oil is flavored with basil, garlic, and the tomatoes' own released compounds — it's a culinary ingredient in its own right, not just packaging liquid.

Measuring technique matters: For oil-packed drained: drain in a small colander for 2–3 minutes, then gently press between paper towels to remove surface oil before measuring. For dry-packed: scoop loosely without pressing — the julienned strands are fragile and will compress dramatically if packed. For rehydrated: drain well and squeeze gently to remove excess water before measuring.

MeasureOil-packed drained (g)Oil-packed undrained (g)Dry-packed (g)Rehydrated (g)
1 tablespoon6.9g14.1g3.4g10g
¼ cup27.5g56.25g13.5g40g
½ cup55g112.5g27g80g
1 cup110g225g54g160g
8.5 oz jar (drained)~242g (~2.2 cups)

Flavor Concentration and Culinary Applications

The flavor concentration in sun-dried tomatoes is remarkable: the drying process removes 90% of the water but retains nearly all the lycopene, glutamic acid (natural umami), and flavor precursor compounds. Per 100g of product, sun-dried tomatoes contain approximately 10× the lycopene, 5× the potassium, and 6× the iron of fresh tomatoes. They also contain 8–10g of naturally occurring glutamate per 100g — a level comparable to Parmesan and dried mushrooms — which is why they contribute intense savory depth to dishes far beyond their volume.

Pasta applications: The standard restaurant ratio is ¼ cup (28g) drained, chopped, per 100g dry pasta. This provides intense tomato flavor without overwhelming the dish. Toss with olive oil, garlic, capers, and basil for a pantry pasta that requires no cooking of the sauce. For cream-based pasta (pasta con pomodori secchi e panna): use ⅓ cup (37g) per 2 servings in a 1-cup heavy cream sauce.

Sun-dried tomato pesto: Blend 1 cup (110g) oil-packed drained + 4 tablespoons (60ml) olive oil + 2 cloves roasted garlic + 3 tablespoons (18g) pine nuts + 2 tablespoons (12g) Parmesan + salt. Yields approximately 280g (1.1 cups) of intense pesto. This pesto stores refrigerated for 2 weeks under a layer of olive oil or frozen for 3 months. Use 3 tablespoons (approximately 38g) per 100g dry pasta.

Tapenade: Combine ½ cup (55g) oil-packed sun-dried tomatoes + 1 cup (135g) Kalamata olives (pitted) + 2 tablespoons (17g) capers + 2 cloves garlic + 3 tablespoons (45ml) olive oil. Pulse in a food processor to a coarse paste — approximately 350g tapenade. Serve on 10g (1 tablespoon) per crostino. Keeps refrigerated under oil for up to 3 weeks.

Dry-Packed vs Oil-Packed: Which to Buy and When

The choice between dry-packed and oil-packed sun-dried tomatoes has practical implications for storage, cost, and culinary application.

Dry-packed advantages: Significantly cheaper per gram of actual tomato product. One 3 oz (85g) package of dry-packed julienned sun-dried tomatoes contains approximately 85g of pure tomato — far more tomato per dollar than the oil-packed equivalent. Dry-packed store indefinitely at room temperature in an airtight container. They are the better choice when you want to control the oil in the final dish or when rehydrating in a specific liquid (stock, wine) for extra flavor.

Oil-packed advantages: Immediate use convenience — no rehydration step. The softened, plumper texture is preferred in applications where the tomato is used whole or in large pieces (salads, antipasto, pizza topping, sandwich fillings). The accompanying oil is a valuable cooking oil flavored with tomato compounds, basil, and garlic — essentially a condiment oil that comes free with the purchase. Oil-packed tomatoes also have a more rounded flavor because the oil carries fat-soluble flavor compounds that dry-packed does not.

Storage and food safety: Commercially produced oil-packed sun-dried tomatoes are safe because the tomatoes are dried to a low enough water activity to prevent bacterial growth even in the anaerobic oil environment. Homemade garlic-infused sun-dried tomatoes in oil present a botulism risk — any homemade tomato-in-oil product must be refrigerated and used within 2 weeks or pressure-canned. Never store homemade tomato-oil mixtures at room temperature.

Sun-Dried Tomatoes vs Tomato Paste: Density and Flavor Comparison

Both sun-dried tomatoes and tomato paste are concentrated tomato products, but they differ fundamentally in texture, density, and flavor profile — and substituting one for the other without understanding these differences produces noticeably different results.

Density comparison: Tomato paste (262g/cup) is more than twice as dense as drained oil-packed sun-dried tomatoes (110g/cup) because paste is a smooth, deaerated puree with no air spaces. Sun-dried tomatoes are chunky, fibrous pieces with irregular shapes creating 30–40% air volume in a measuring cup.

Flavor profile: Tomato paste is made by cooking fresh tomatoes for hours, concentrating sugars through Maillard reaction and developing a sweet, cooked, slightly caramelized flavor. Sun-dried tomatoes, dried at lower temperatures (50–70°C in commercial dehydrators), retain more of the fresh tomato's volatile aromatics — fruity esters, grassy compounds, and the characteristic tangy-sweet-acidic profile of ripe Roma tomatoes. The result is a brighter, more complex flavor than the deeper, darker notes of tomato paste.

Substitution ratio: To substitute sun-dried tomato paste (blend dry-packed in food processor to a paste) for commercial tomato paste: use 1.5 tablespoons sun-dried paste per 1 tablespoon tomato paste, as the texture is coarser and the flavor less concentrated by volume. Add 1 teaspoon olive oil per tablespoon to replicate the paste's smooth consistency in sauces.