Tablespoons of rye flour to grams runs on one number, 6.375 grams per tablespoon. It is a measured property of this ingredient rather than a defined conversion, which is why a generic volume-to-weight tool cannot give you it.
The density behind that figure is 0.43113 g per mL, against 1.00 for water. A cup of water weighs 236.6 g and a cup of rye flour weighs 102 g, so this ingredient is 43.11% as heavy as the same volume of water — the single fact the whole page rests on.
A level tablespoon of rye flour is 6.375 g, which puts a teaspoon at 2.125 g and a tablespoon and a half — the quantity recipes are fondest of — at 9.562 g. Levelling twice is where the error comes from, so the scale is the faster instrument once the quantity passes a couple of spoons.
Grams are the unit this conversion is really for. A domestic scale resolves to a gram, which is 0.98% of a cup of rye flour, so weighing gets an accuracy no measuring cup can reach. A 500 g pack of it is 4.902 cups, and a 1 kg pack 9.804.
How the figure is arrived at: One of the lightest flours per cup. Rye has little gluten to develop, so it is almost always blended with wheat flour.
The formula
tablespoons- The amount of rye flour you are converting, in tablespoons
6.375- Grams per tablespoon for rye flour, from its density of 0.43113 g/mL
grams- The equivalent quantity in grams
How it works, step by step
- Enter the quantity in tablespoons.
- It is multiplied by 6.375, the grams-per-tablespoon figure for rye flour.
- The result appears in grams, with a second reading in oz beneath it.
- Use the measure table if you want a standard recipe quantity rather than a number you type in.
Worked examples
2 tbsp of rye flour in grams
Take 2 tbsp of rye flour: 2 × 6.375 gives 12.75 grams. Doubling the batch takes it to 25.5 grams, because the relationship is a straight proportion once the density is known.
4 tbsp of rye flour in grams
A recipe calling for 4 tbsp of rye flour needs 25.5 grams on the scale. The arithmetic is 4 × 6.375 = 25.5, and halving the recipe halves the weight to 12.75 grams.
12 tbsp of rye flour in grams
A recipe calling for 12 tbsp of rye flour needs 76.5 grams on the scale. The arithmetic is 12 × 6.375 = 76.5, and halving the recipe halves the weight to 38.25 grams.
How to read your score
Frequently asked questions
How many grams are in 1 tbsp of rye flour?
One tablespoon of rye flour is 6.375 grams. Half that quantity is 3.1875 grams and double it is 12.75 grams, so the figure scales straight up and down — there is no offset in this conversion, only the factor.
Why is a cup of rye flour not 236 g like water?
Because weight per cup depends on what is in the cup. Rye flour has a density of 0.43113 g per mL where water has 1.00, so a cup of it weighs 102 g rather than 236.6 g. That is a difference of 134.6 g per cup, and it is the reason a single volume-to-weight factor cannot be applied to every ingredient.
Does how I measure it change the weight?
Yes, and by more than most people expect. Handling changes the weight of a cup of rye flour by roughly 20% — about 10.2 g either side of 102 g — because one of the lightest flours per cup. Weighing removes the question entirely.
Is a fluid ounce of rye flour the same as an ounce?
No. A fluid ounce is a volume — one eighth of a US cup, 29.57 mL — and an ounce is a weight. One fluid ounce of rye flour weighs 0.4497 oz, so the two readings differ by 55%. They coincide only for something with the density of water, and then only roughly.
Is this a US cup or a metric cup?
US customary: 236.59 mL, which is the cup every US recipe means. A metric cup is 250 mL, so the same cup of rye flour would weigh 107.78 g instead of 102 g — 5.78 g more, or 5.67%. Australian and some European recipes use the metric cup, and the difference is large enough to matter in baking.
Do I need a scale for this, or will measuring cups do?
At this size the spoon wins. One tablespoon of rye flour is 6.375 g, and a scale reading to the nearest gram is working at 15.7% resolution on that — a measuring spoon is the more accurate instrument below about 5 g, which is why spice quantities are still written in spoons.
How many tablespoons of rye flour is 500 g?
500 g of rye flour is 78.431 tablespoons — 0.156863 tablespoons to one gram, so 500 × 0.156863 = 78.431. Going that way is a division by 6.375, or a multiplication by 0.156863 if you prefer.
Rye flour in tablespoons and grams
| Tablespoons | Grams | Unrounded |
|---|---|---|
| 1/2 tbsp | 3.1875 g | 3.1875 |
| 1 tbsp | 6.375 g | 6.375 |
| 2 tbsp | 12.75 g | 12.75 |
| 3 tbsp | 19.125 g | 19.125 |
| 4 tbsp | 25.5 g | 25.5 |
| 6 tbsp | 38.25 g | 38.25 |
| 8 tbsp | 51 g | 51 |
| 12 tbsp | 76.5 g | 76.5 |
| 16 tbsp | 102 g | 102 |
Based on 102 g per cup of rye flour. One tablespoon of rye flour is 6.375 grams.
| Measure | Grams | Ounces | Millilitres |
|---|---|---|---|
| 1 cup | 102 g | 3.6 oz | 236.6 mL |
| 1 tbsp | 6.375 g | 0.225 oz | 14.79 mL |
| 2 tsp | 4.25 g | 0.15 oz | 9.858 mL |
| 1 tsp | 2.125 g | 0.075 oz | 4.929 mL |
| 3/4 tsp | 1.594 g | 0.0562 oz | 3.697 mL |
| 1/2 tsp | 1.062 g | 0.0375 oz | 2.464 mL |
| 1/4 tsp | 0.5312 g | 0.0187 oz | 1.232 mL |
| 1/8 tsp | 0.2656 g | 0.00937 oz | 0.6161 mL |
US customary measures: 1 cup = 236.59 mL, 1 tbsp = 14.79 mL, 1 tsp = 4.93 mL.
| Ingredient | Grams per cup | Ounces per cup | Density (g/mL) |
|---|---|---|---|
| Rolled oats | 90 g | 3.175 oz | 0.3804 |
| Oat flour | 92 g | 3.245 oz | 0.3889 |
| Almond flour | 96 g | 3.386 oz | 0.4058 |
| Rye flour (this page) | 102 g | 3.598 oz | 0.4311 |
| Dry breadcrumbs | 108 g | 3.81 oz | 0.4565 |
| Coconut flour | 112 g | 3.951 oz | 0.4734 |
| Cake flour | 114 g | 4.021 oz | 0.4818 |
Ordered by weight. The spread across this group is why a single generic cups-to-grams factor cannot work.