Protein Powder Grams to Cups
Protein Powder weighs about 120g per cup. Whey and plant-based blends vary by brand — check the label.
- Cups (US Customary)
- 0.83 (⅞)
- Tablespoons
- 13.3
- Teaspoons
- 40.0
- Milliliters
- 197 ml
Protein Powder Grams to Cups Conversion Table
Protein Powder density: 120g per cup (USDA FoodData Central)
| Grams | Cups (Decimal) | Cups (Fraction) | Tablespoons |
|---|---|---|---|
| 10g | 0.08 | ⅛ | 1.3 |
| 25g | 0.21 | ¼ | 3.3 |
| 50g | 0.42 | ⅜ | 6.7 |
| 75g | 0.63 | ⅝ | 10.0 |
| 100g | 0.83 | ⅞ | 13.3 |
| 125g | 1.04 | 1⅛ | 16.7 |
| 150g | 1.25 | 1¼ | 20.0 |
| 175g | 1.46 | 1½ | 23.3 |
| 200g | 1.67 | 1⅔ | 26.7 |
| 225g | 1.88 | 1⅞ | 30.0 |
| 250g | 2.08 | 2⅛ | 33.3 |
| 300g | 2.50 | 2½ | 40.0 |
| 350g | 2.92 | 2⅞ | 46.7 |
| 400g | 3.33 | 3⅓ | 53.3 |
| 500g | 4.17 | 4⅛ | 66.7 |
Ingredient Profile
Protein Powder has a density of 120g per cup, based on USDA FoodData Central data. Whey and plant-based blends vary by brand — check the label.
Density can shift with brand, moisture content, or how the ingredient was packed before it reached your kitchen. Weighing on a scale removes that guesswork.
For comparison, honey is denser at 340g per cup, while panko breadcrumbs is lighter at 60g per cup — a reminder that weight per cup varies by ingredient, not by category alone.
How to Measure Protein Powder in Cups
Spoon into the cup and level off. Ingredients like cocoa powder benefit from a quick sift first to break up clumps.
Baking soda and baking powder should always be measured with a dry measuring spoon, leveled flat — a heaping spoonful of either can meaningfully change how a baked good rises.
If a recipe calls for protein powder by weight instead of volume, a digital kitchen scale set to grams removes any measuring-technique variation entirely — the converter at the top of this page shows both figures side by side so you can check your result either way.
Protein Powder vs Other Dry Goods
Ingredients in the same category don't always share a similar density. Here's how protein powder compares to other dry goods on this site.
| Ingredient | Grams per Cup | vs Protein Powder |
|---|---|---|
| Protein Powder | 120g | baseline |
| Cocoa Powder | 85g | -29% |
| Cornstarch | 128g | +7% |
| Table Salt | 288g | +140% |
| Rolled Oats | 90g | -25% |
Common Recipe Uses
- A single protein shake serving typically uses 30g to 40g of protein powder.
- Protein pancake recipes often call for 30g mixed into the batter.
- No-bake protein bars usually need about 60g to 90g per batch.
How Much Is X Grams of Protein Powder?
Need every amount at once? See the full protein powder conversion chart.
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Frequently Asked Questions
How many grams are in a cup of protein powder?+
A cup of protein powder weighs about 120g. Whey and plant-based blends vary by brand — check the label.
How do I measure protein powder accurately?+
Spoon into the cup and level off. Ingredients like cocoa powder benefit from a quick sift first to break up clumps.
Does protein powder's weight per cup ever change?+
Yes, slightly. Whey and plant-based blends vary by brand — check the label. A kitchen scale removes that variation entirely.
What's the best way to convert protein powder from grams to cups?+
Use the converter at the top of this page, or divide your gram amount by 120 to get cups.
Why does protein powder weigh a different amount per cup than other dry goods?+
Even within the same category, particle size, moisture, and packing differ enough to change the weight-per-cup figure by 10-30%. That's why this page uses a value measured specifically for protein powder, not a category-wide average.
Is 120g per cup the same across every brand of protein powder?+
It's close for most brands, though minor milling, processing, or moisture differences can shift the true figure by a few grams. USDA FoodData Central provides the reference value used here.