Digital Kitchen Scale
Essential for cup-to-gram accuracy and repeatable bakes.
Shop scales ↗Onion Powder
SpicesDehydrated ground onion. Adds onion flavour without bulk — common in dry rubs, dressings, and dips.
Properties
Density Index
0.55 g/cm3
1 Cup Weight
130g
Texture
Dry
Category
Spice
Top Substitute
Fresh Onion
Use 1/4 medium onion per 1 tbsp powder
Adds moisture and bulk. Cook first to mimic the sweetness.
Most-used links for Onion Powder
Conversion
Onion Powder cups to grams
1 cup = 130g
Conversion
Onion Powder grams to cups
Reverse the most common baking lookup.
Conversion
Onion Powder tablespoons to grams
Useful for small-batch adjustments and spoon measures.
Best Substitute
Fresh Onion
Use 1/4 medium onion per 1 tbsp powder for the closest starting point.
Conversions
| cups | grams |
|---|---|
| 1/4 cups | 33.0 grams |
| 1/3 cups | 43.0 grams |
| 1/2 cups | 65.0 grams |
| 1 cups | 130 grams |
| 1.50 cups | 195 grams |
| 2 cups | 260 grams |
| 3 cups | 390 grams |
| 4 cups | 520 grams |
Figures use the US cup (236.6 ml).
Density: 0.55 g/ml
Quick Convert
Ingredient-specific, density-based conversions for baking
1 cups of Onion Powder equals 130 grams
Ingredient-specific · density-based
Cup size
Based on us cup (236.6 ml) · density data from baking references and our own measurements.Recommended Tools & Pantry Picks for Onion Powder
Optional shopping references for bakers who want to compare tools and pantry options related to onion powder.
Measuring Cup & Spoon Set
Useful for quick volume checks before converting to weight.
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Substitutions for Onion Powder
Storage Tips
Airtight container, away from humidity. 2-3 years.
Baking Science
Drying converts the sharp sulphur compounds of fresh onion into deeper, sweeter ones — more like caramelised than raw. One tablespoon equals about 1/4 of a medium onion.
Recipe Context
For spice cakes: over-measuring can create bitterness quickly.
For cookies: spice potency changes by brand and age.
For blends: weight helps maintain repeatable flavor profile.
Common Pitfalls
- Switching brands without re-checking weight can change texture and bake time.
- Using volume-only measurements for dense ingredients can overshoot recipe targets.
Brand Variance & Measuring Method
Baseline reference: 1 cup onion powder = 130g. In real kitchens, a practical range is usually 117g-143g per cup (10% band).
Why this happens: particle size and settling vary across brands and freshness windows.
Figures use the US cup (236.6 ml).Common Questions
How many grams is 1 cup of onion powder?
1 cup of onion powder weighs 130 grams.
What can I substitute for onion powder?
Fresh Onion (1/4 medium onion per 1 tbsp powder)