All-Purpose Flour vs Oats
Density, calorie, and weight differences — and whether they can substitute for each other.
Substitution Verdict
Density difference: 38.1%. Significant difference — not a 1:1 substitute, recipe may need rebalancing.
Calories per 100 g: All-Purpose Flour 364 kcal vs Oats 389 kcal. Difference: 25 kcal — Oats is higher.
Weight Conversions (per Spoon and Cup)
| Measure | All-Purpose Flour | Oats |
|---|---|---|
| 1 tablespoon | 8 g | 5 g |
| 1 teaspoon | 2.7 g | 1.7 g |
| 1 cup | 120 g | 81 g |
| Density | 0.5 g/ml | 0.34 g/ml |
Measuring Tips
Spoon flour into measuring cup and level off — never scoop directly from the bag (compacts flour up to 25% denser).
Cooking ratio: 1 cup oats : 2 cups water (rolled) or 1:3 (steel-cut). Quick oats are denser (0.4 g/ml) than rolled (0.34) due to thinner flakes. Steel-cut oats are much denser (0.7 g/ml).
Frequently Asked Questions
Can All-Purpose Flour be substituted for Oats?▾
Significant difference — not a 1:1 substitute, recipe may need rebalancing. Density of All-Purpose Flour is 0.5 g/ml; Oats is 0.34 g/ml — a 38.1% difference. But flavor, moisture, and chemistry can still differ — verify suitability for the specific recipe.
How many grams in 1 tablespoon of All-Purpose Flour vs Oats?▾
1 tbsp All-Purpose Flour ≈ 8 g. 1 tbsp Oats ≈ 5 g. By weight: 1 tbsp All-Purpose Flour = 1.60 tbsp Oats.
Which has more calories, All-Purpose Flour or Oats?▾
Per 100 g: All-Purpose Flour 364 kcal, Oats 389 kcal. Oats has 25 more kcal.
What is All-Purpose Flour typically used for?▾
All-Purpose Flour is commonly used in: bread, cakes, cookies, pancakes. Source: king-arthur, usda-fdc.
What is Oats typically used for?▾
Oats is commonly used in: porridge, overnight oats, granola, cookies. Source: usda-fdc.