All-Purpose Flour Volume Reviewed September 19, 2026

2 1/2 Cups of Flour to Grams

Convert 2 1/2 Cups of All-Purpose Flour to grams (313g in US cups). Complete volume-to-weight chart and tablespoon breakdown.

Direct Answer:

2 1/2 Cups of All-Purpose Flour = 313 grams (11.02 oz)

 Tablespoons: 40.0 tbsp Teaspoons: 120.0 tsp Volume: 591.5 mL Condition: Spooned and leveled (fluffed with a fork, gently spooned into cup, and leveled) 1 Cup Standard: 125g 

Volume-to-Weight Calculation Formula

Weight (grams) = Cup Volume × Grams per Cup (Density) Weight = 2.5 × 125g = 313 grams

Calibrated for Spooned and leveled (fluffed with a fork, gently spooned into cup, and leveled) at room temperature (bulk density: 0.528 g/mL). Source: USDA FoodData Central (FDC ID 168936).

Technique Note: The USDA standard defines 1 cup of all-purpose flour as 125g. Published baking standards vary: King Arthur Baking specifies 120g/cup for their recipes, while direct scooping ("dip and sweep") compacts flour up to 140g–150g per cup.

2 1/2 Cups of Flour Across International Cup Standards

Gram weight comparison across US Customary, US Legal, Metric, UK Imperial, and Japanese cup definitions.

Ingredient	Weight	Cups (US Standard)	Tablespoons	Teaspoons
US Customary Cup (236.588 mL)	313g	2 1/2 Cups (2.5 cups)	40.0 tbsp	120.0 tsp
US Legal Cup (Nutrition) (240 mL)	317g	2 1/2 Cups (2.5 cups)	40.0 tbsp	120.0 tsp
Metric Cup (250 mL)	330g	2 1/2 Cups (2.5 cups)	40.0 tbsp	120.0 tsp
UK Imperial Cup (284.131 mL)	375g	2 1/2 Cups (2.5 cups)	40.0 tbsp	120.0 tsp
Japanese Cup (200 mL)	264g	2 1/2 Cups (2.5 cups)	40.0 tbsp	120.0 tsp

Kitchen Measurement Converter

Live Calculation

Convert weight to volume accurately by accounting for density differences.

Select Ingredient 125g / cup

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Amount in Grams

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Cup Standard United States

Traditional US recipe cup defined as exactly 8 fluid ounces. Cup standards differ by region (US 236.6 mL, US Legal 240 mL, Metric 250 mL, UK 284.1 mL, Japanese 200 mL). US Customary is standard for American recipes.

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Custom Grams per Cup from your package label Leave blank to use the standard USDA density.

Calculated Result US Customary Cup (236.588 mL)

2 1/2 cups (2.50)

Weight equivalent: 312.5g (11.02 oz)

2.5 grams of All-Purpose Flour equals approximately 2 1/2 cups (US Customary Cup).

40.0 Tablespoons

120.0 Teaspoons

591.5 mL Volume (mL)

11.02 oz Ounces (Weight)

How to Measure 2 1/2 Cups of All-Purpose Flour

The standard wheat flour used in most home baking and cooking recipes. Scooping directly compresses the flour, packing up to 140g–150g per cup.

Chef's Tip:

Always fluff your flour with a fork or whisk, spoon it gently into your measuring cup until mounded, and sweep a flat edge across the rim.

Other Flour Cup Sizes

1.5 cups Flour → 2 cups Flour → 2.25 cups Flour → 3 cups Flour → 3.5 cups Flour → 4 cups Flour →

Kitchen Tools

Companion Tools for Flour

Scale this recipe or convert companion units for this baking session:

Recipe Scaler & Multiplier Multiply or divide recipe quantities for Flour with automated fraction scaling → Cups to Tablespoons Converter Convert 2 1/2 Cups into level tablespoons and fluid ounces → All-Purpose Flour Conversion Hub Complete weight-to-volume tables, bulk density data, and kitchen measuring guidelines → All Amounts Directory Browse all 68 calibrated weight benchmarks and 11 cup sizes →

Scientific Foundation

How We Calculate 2 1/2 Cups of All-Purpose Flour

Weight calculations for All-Purpose Flour are derived from bulk density standards verified by USDA FoodData Central and culinary laboratory benchmarks. In the standard US Customary cup (236.588 mL), 2 1/2 Cups weighs approximately 313 grams under standard condition (Spooned and leveled (fluffed with a fork, gently spooned into cup, and leveled)).

Read Our Complete Conversion Methodology →

Frequently Asked Questions

How many grams is 2 1/2 Cups of All-Purpose Flour?

2 1/2 Cups of All-Purpose Flour weighs approximately 313 grams (11.02 ounces) when measured under standard conditions (Spooned and leveled (fluffed with a fork, gently spooned into cup, and leveled)).

How many tablespoons is in 2 1/2 Cups of All-Purpose Flour?

There are 16 tablespoons in 1 cup, so 2 1/2 Cups equals 40.0 tablespoons (120.0 teaspoons).

How is the weight of 2 1/2 Cups of All-Purpose Flour calculated?

Weight is calculated by multiplying volume by bulk density: 2.5 cup(s) × 125 grams per cup = 313 grams.