Arrowroot Powder — Grams ↔ Cups Converter
1 US Customary cup (236.6 mL) of arrowroot powder weighs 128 grams (4.52 ounces or 8g per tablespoon) when measured spooned & leveled; 1 Metric cup (250 mL) weighs 135.3g and 100g equals ¾ cup + 1 ½ tsp for accurate kitchen baking.
Kitchen note: Test-kitchen baseline uses spooned & leveled (128g/cup). Switching to dip scooped (142g/cup) changes each cup by 14g—use the packing toggle on the scale bench to match your recipe.
Arrowroot: Cups & Spoons to Grams
Based on 128g per 236.6 mL US cup (spooned & leveled).
| Volume | Grams | Ounces |
|---|---|---|
| 1 Teaspoon (tsp) | 2.7 g | 0.09 oz |
| 1 Tablespoon (tbsp) | 8 g | 0.28 oz |
| ⅛ US Cup (2 tbsp) | 16 g | 0.56 oz |
| ¼ US Cup (4 tbsp) | 32 g | 1.13 oz |
| ⅓ US Cup | 42.7 g | 1.51 oz |
| ½ US Cup (8 tbsp) | 64 g | 2.26 oz |
| ⅔ US Cup | 85.3 g | 3.01 oz |
| ¾ US Cup (12 tbsp) | 96 g | 3.39 oz |
| 1 US Cup (236.6 mL) | 128 g | 4.52 oz |
| 1 Metric Cup (250 mL) | 135.3 g | 4.77 oz |
| 1 ½ US Cups | 192 g | 6.77 oz |
| 2 US Cups | 256 g | 9.03 oz |
| 3 US Cups | 384 g | 13.55 oz |
| 4 US Cups (1 Quart) | 512 g | 18.06 oz |
Arrowroot: Grams to US Cups
Nearest practical baker cup & spoon breakdown.
| Weight | Kitchen Measure | Decimal |
|---|---|---|
| 10 g | 1 tbsp + ¾ tsp | 0.08 c |
| 25 g | 3 tbsp + ½ tsp | 0.20 c |
| 50 g | ⅓ cup + 2 ¾ tsp | 0.39 c |
| 75 g | ½ cup + 1 tbsp + 1 ¼ tsp | 0.59 c |
| 100 g | ¾ cup + 1 ½ tsp | 0.78 c |
| 125 g | ¾ cup + 3 tbsp + 2 tsp | 0.98 c |
| 150 g | 1 cup + 2 tbsp + 2 ¼ tsp | 1.17 c |
| 200 g | 1 ½ cups + 1 tbsp | 1.56 c |
| 250 g | 1 ¾ cups + 3 tbsp + ¾ tsp | 1.95 c |
| 300 g | 2 ⅓ cups | 2.34 c |
| 400 g | 3 ⅛ cups | 3.13 c |
| 500 g | 3 ¾ cups + 2 tbsp + 1 ½ tsp | 3.91 c |
| 750 g | 5 ¾ cups + 1 tbsp + 2 ¼ tsp | 5.86 c |
| 1000 g | 7 ¾ cups + 1 tbsp | 7.81 c |
How to Measure Arrowroot Powder Accurately
Whisk lightly and spoon into cup. It thickens at lower temperatures than cornstarch and tolerates acidic fruit juices.
Packing Density Comparison (1 US Cup)
- spooned & leveled (Test-kitchen standard) 128 g
- Dip scooped 142 g
Data reference: USDA FDC #170685 & Bob’s Red Mill specification
Common Culinary Uses
- Berry fruit glazes
- Acidic citrus curd thickener
- Paleo grain-free cookies
- Clear dessert sauces
Weight-Aware Substitutions
- 1:1 by weight with tapioca starch or cornstarch
Arrowroot Powder Measuring FAQs
Why use arrowroot instead of cornstarch with acidic ingredients? ▾
Arrowroot starch is not broken down by high-acid ingredients like lemons or cranberries, maintaining thick gel strength.
Does arrowroot powder mix well with dairy? ▾
No, arrowroot combined with milk products can create an unpleasantly slimy texture; use cornstarch for dairy puddings.