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Cooking conversion
Grams of Bread Flour to Teaspoons
How many teaspoons of bread flour are in a given weight? Type a number of grams below to see the volume. Math uses bread flour's density of 0.508 g/mL.
Calculator
100 g of bread flour = 39.9378 tsp
Grams of Bread Flour to Teaspoons Conversion Table
Common values for bread flour:
| Grams of bread flour | Teaspoons |
|---|---|
| 10 g | 3.9938 tsp |
| 25 g | 9.9845 tsp |
| 50 g | 19.9689 tsp |
| 100 g | 39.9378 tsp |
| 150 g | 59.9068 tsp |
| 200 g | 79.8757 tsp |
| 250 g | 99.8446 tsp |
| 500 g | 199.69 tsp |
| 1000 g | 399.38 tsp |
How this works
Bread flour has a density of about 0.508 g/mL (king arthur baking: 1 cup = 120g). That means 1 mL of bread flour weighs 0.508 grams.
Teaspoons = grams × 0.3994
Note: Spooned and leveled. Same volumetric density as all-purpose in standard cooking references.
Why a cup of bread flour doesn't always weigh the same
Volume measurements are forgiving in some ways and brutal in others. A cup of bread flour can vary by 10-20% in weight depending on how it's measured: spooned vs scooped, packed vs loose, sifted vs unsifted. The density figure used here (0.508 g/mL) matches the most common published recipe conventions, but if you're after baking precision, weighing on a kitchen scale is more accurate than measuring by volume.
Sourced from King Arthur Baking: 1 cup = 120g. Spooned and leveled. Same volumetric density as all-purpose in standard cooking references.
Volume vs weight in cooking
The American convention of measuring ingredients by volume (cups, tablespoons, teaspoons) is convenient but introduces variability that doesn't exist in weight-based recipes. Most professional bakers and bakeries weigh ingredients to within a gram because the structure of baked goods depends on precise ingredient ratios. For everyday cooking — soups, sauces, sautés — the volume-to-weight imprecision rarely matters. For baking that depends on rising or texture (cakes, breads, laminated doughs), it matters a lot.
The conversion
Multiplying the volume of bread flour by its density (0.508 g/mL) gives the weight in grams. The calculator at the top of this page does the math automatically; the formula box above shows the resulting linear factor for the specific volume and weight units selected here.