Sunflower Seeds (shelled): Complete Cup to Gram Conversion

1 cup of sunflower seeds (shelled) weighs 128g (spooned, USDA standard) or varies by measuring technique. See the full 16-interval conversion table for all amounts below.

1/4 cup
32g
1/2 cup
64g
1 cup
128g

Sunflower Seeds (shelled) Conversion Table

1 cup sunflower seeds (shelled) = 128g (USDA FoodData Central basis. 1 cup = 240ml)

AmountGrams (g)Ounces (oz)Milliliters (ml)
1/8 cup16g0.56 oz30 ml
1/4 cup32g1.13 oz60 ml
1/3 cup42.67g1.51 oz80 ml
1/2 cup64g2.26 oz120 ml
2/3 cup85.33g3.01 oz160 ml
3/4 cup96g3.39 oz180 ml
1 cup1 cup128g4.52 oz240 ml
1 1/4 cups160g5.64 oz300 ml
1 1/2 cups192g6.77 oz360 ml
1 2/3 cups213.33g7.53 oz400 ml
2 cups256g9.03 oz480 ml
2 1/2 cups320g11.29 oz600 ml
3 cups384g13.55 oz720 ml
3 1/2 cups448g15.8 oz840 ml
4 cups512g18.06 oz960 ml

Source: USDA FoodData Central SR Legacy. Values shown for spooned (not packed) measurement unless specified.

Sunflower Seeds (shelled) vs Other (shelled) Types

Different types of (shelled) vary in weight per cup due to different densities.

(shelled) Type1 Cup (g)Density (g/ml)
Sunflower Seeds (shelled)current128g0.533
Pumpkin Seeds (pepitas)129g0.538
Sesame Seeds144g0.6
Chia Seeds160g0.667
Flaxseed (whole)149g0.621
Hemp Seeds (hulled)160g0.667

Why Does 1 Cup of Sunflower Seeds (shelled) Vary?

The weight of 1 cup depends on how you measure. USDA standard (spooned) = 128g.

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Spooned & Leveled

Spoon the ingredient into the measuring cup, then level off with a straight edge. This is the standard method used by USDA FoodData Central.

Reference weight
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Sifted

Sift the ingredient first, then spoon into the cup. Sifting aerates the ingredient, reducing weight by 10-20%.

~10-20% lighter
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Scooped (packed)

Dip the cup directly into the bag and pack. This is the most inaccurate method — can be 20-30% heavier than spooned.

~20-30% heavier

About Sunflower Seeds (shelled) Density

Shelled sunflower seeds: 1 cup = 128g. Dry roasted or raw weigh essentially the same. High in vitamin E and selenium. Used in granola, salads, and trail mix. Can substitute for chopped nuts in most recipes. USDA FDC 12036.

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Pro tip: For consistent baking results, use a kitchen scale. Weight measurements eliminate the variability of cup measurement entirely. USDA values shown are based on the spooned & leveled method.

Sunflower Seeds (shelled): Grams to Cups Conversion

Convert sunflower seeds (shelled) from grams back to cups, tablespoons, and teaspoons.

GramsCupsTablespoonsTeaspoons
25g0.2 cups3.13 tbsp9.38 tsp
50g0.39 cups6.25 tbsp18.75 tsp
100g0.78 cups12.5 tbsp37.5 tsp
150g1.17 cups18.75 tbsp56.25 tsp
200g1.56 cups25 tbsp75 tsp
250g1.95 cups31.25 tbsp93.75 tsp
300g2.34 cups37.5 tbsp112.5 tsp
400g3.13 cups50 tbsp150 tsp
500g3.91 cups62.5 tbsp187.5 tsp

Based on 1 cup sunflower seeds (shelled) = 128g (USDA standard, spooned & leveled). 16 tablespoons = 1 cup. 48 teaspoons = 1 cup.

Related Ingredients

Data source: USDA FoodData Central SR Legacy (FDC ID: 12036). View original USDA record

Direct Conversion Pages for Sunflower Seeds (shelled)

Each page focuses on one conversion direction with a dedicated table.

Specific Amount Conversions for Sunflower Seeds (shelled)

Quick links for common recipe amounts — each page includes a full comparison table.

More Conversion Charts