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USDA FoodData Central Density DataPublished: Nov 13, 2026

How Many Grams in a Cup of Rye Flour? (102 g)

1 US legal cup of Rye Flour = 102 grams (3.6 ounces). One tablespoon = 6.38 grams, and one teaspoon = 2.13 grams.

Portion baseline measured as 1 cup according to official USDA laboratory reference testing.

1 US Cup102g3.6 oz
1 Tablespoon6.38g1/16 cup
1 Teaspoon2.13g1/48 cup
Caloric DensityVerifiedPer 100g

Rye Flour: Fractional Cup to Grams Conversion Table

Portion / FractionGrams (g)Ounces (oz)Equivalent Tablespoons
1/8 cup12.8 g0.45 oz2 tbsp
1/4 cup25.5 g0.9 oz4 tbsp
1/3 cup34 g1.2 oz5.3 tbsp
1/2 cup51 g1.8 oz8 tbsp
2/3 cup68 g2.4 oz10.7 tbsp
3/4 cup76.5 g2.7 oz12 tbsp
1 cup102 g3.6 oz16 tbsp
1 1/2 cups153 g5.4 oz24 tbsp
2 cups204 g7.2 oz32 tbsp
3 cups306 g10.8 oz48 tbsp
4 cups408 g14.4 oz64 tbsp

Interactive Rye Flour Converter

Type any amount or choose a unit to calculate instant weights and volumes

Quick Cups:
US CupsActive
1
102g / cup
Grams (g)
102
Metric weight
Ounces (oz)
3.6
Imperial mass
Tablespoons
16
6.38g / tbsp
Teaspoons
47.9
2.13g / tsp
Volume (mL)
240
Liquid equivalent
Recipe Batch Multiplier Slider1x Scale
Scaled Cups1 cup
Scaled Weight102 g
Ounces3.6 oz

Why the Weight of Rye Flour Varies in Baking

Rye Flour contains fine milled grain particles that settle and compact significantly during transit and storage. Ambient humidity also causes dry flour to absorb airborne moisture, increasing its weight without expanding volume. Spooning vs. direct cup scooping creates the largest real-world weight difference.

Flours & Grains Measuring Technique

Rye flour is lower in gluten and contains high amounts of water-attracting pentosans. Fluff with a fork, spoon gently into cup, and sweep level.

Atmospheric Altitude Context

At 5280 ft elevation, lower atmospheric pressure accelerates moisture evaporation. Ensure Rye Flour is measured strictly by weight (102g/cup) rather than volume scoop to prevent baking inconsistencies.

International Cup Size Weights for Rye Flour

Standard cup volumes vary between countries. If following a UK, Australian, or Canadian recipe, use these computed gram equivalents for Rye Flour:

Standard Cup StandardVolume (mL)Calculated Grams (g)Ounces (oz)Primary Geographic Region
US Legal Cup (USDA Standard)240 mL102 g3.6 ozUnited States (FDA nutrition labeling)
US Customary Cup236.6 mL100.5 g3.55 ozUnited States (Standard kitchen measuring sets)
Metric Cup250 mL106.3 g3.75 ozAustralia, New Zealand, Canada, South Africa, UK
Imperial Cup284.1 mL120.8 g4.26 ozTraditional British & Commonwealth recipes (1/2 pint)

Frequently Asked Questions About Rye Flour

Why does a cup of Rye Flour weigh different amounts?

Rye Flour settles and packs tightly in the bag during shipping. Scooping directly with a measuring cup compresses the particles, cramming up to 140–150 grams into the cup. In contrast, fluffing with a fork and spooning gently into the cup yields the standard benchmark of approximately 102 grams. Weighing with a digital kitchen scale eliminates this volume variation entirely.

Should I sift Rye Flour before or after measuring?

Pay close attention to the recipe phrasing: "1 cup Rye Flour, sifted" means measure 1 cup first, then sift it into your mixing bowl. "1 cup sifted Rye Flour" means sift the flour into a mound first, then gently spoon 1 cup from that aerated mound. When measuring by weight on a gram scale, sifting timing has zero effect on the total flour mass.

How many grams of Rye Flour are in one tablespoon?

One level US tablespoon of Rye Flour weighs approximately 6.38 grams, and one level teaspoon weighs 2.13 grams. There are 16 tablespoons in 1 standard US cup (102g).

Can I swap Rye Flour 1:1 by volume with all-purpose flour?

No. Different flours vary widely in protein content, fiber absorption, and bulk density. Substituting by volume (cups) alters batter hydration and gluten development. Always substitute alternative flours by weight in grams rather than volume, and monitor whether your dough requires additional liquid.

How does altitude affect measuring Rye Flour?

At higher elevations (3,000+ ft), dry atmospheric pressure accelerates moisture evaporation from dry pantry goods, making Rye Flour drier and prone to packing denser per scoop. Weighing strictly to 102 grams per cup prevents adding excessive dry solids to your batter.

Authoritative Laboratory Citation: USDA SR Legacy

FDC ID: #168940
Official USDA Record Name: Rye flour, medium
Portion Defined: 1 cup
Data Provider: USDA FoodData Central
Database Record: USDA SR Legacy
Second-Source Benchmark (King Arthur Baking):106g/cup (3.8% variance)

Medium rye flour. USDA SR Legacy lists 102g/cup; King Arthur lists 106g (3.8% variance).

Government Record Verification:Inspect Official USDA Record (FDC #168940)