by

381 Grams to Cups Conversion

MeasurementsCalculator.com 381 Grams to Cups Ingredient Conversion Calculator

381 Grams to Cups Ingredient Conversion Calculator

© Measurements Calculator

What is 381 grams measured in cups? Because a gram measures weight and a cup measures volume, the cup amount varies with the ingredient’s density. For water, 381 grams equals approximately 1.6104 cups. For all-purpose flour, the volume is closer to 3.048 cups, and for granulated sugar, approximately 1.905 cups.

Try the 381 grams to cups calculator above to get the exact cup volume for any of 80+ ingredients, or scroll through the detailed reference tables below.

Contents hide
1 381 Grams to Cups Conversion
1.1 381 Grams to Cups Ingredient Conversion Calculator
1.2 What is 381 Grams in Cups?
1.3 How to Convert 381 Grams to Cups
1.4 381 Grams to Cups Ingredient Conversion Chart
1.5 381 Grams Converted to Other Units
1.6 381 Grams in Common Recipes
1.7 Measuring 381 Grams Without a Kitchen Scale
1.8 Grams & Cups: A Cook’s Primer
1.9 FAQ: 381 Grams to Cups
1.10 Nearby Grams to Cups Conversions

What is 381 Grams in Cups?

On average, 381 grams ≈ 1.6104 US cups
(381 grams of water = 1.6104 cups exactly)

Water

381 g = 1.6104 cups

All-Purpose Flour

381 g = 3.048 cups

Granulated Sugar

381 g = 1.905 cups

Butter

381 g = 1.6784 cups

Honey

381 g = 1.1206 cups

Milk

381 g = 1.5875 cups
Why these numbers differ: A US cup is a fixed volume (236.588 mL), but every ingredient has its own density. Honey is heavy and dense, so the same weight in grams fills a smaller cup volume than something light and airy like flour. That’s why 381 grams of honey fits in 1.1206 cups while the same weight of flour spreads across 3.048 cups.

Measurementscalculator.com Converting 381 Grams to Cups

How to Convert 381 Grams to Cups

Step 1: Identify Your Ingredient First

Unlike a simple unit-to-unit conversion, grams-to-cups isn’t a single fixed formula. The answer for 381 grams depends entirely on what you’re measuring. The general formula is:

Cups = 381 ÷ (grams per cup)

Where the divisor is the ingredient’s density expressed in grams per US cup (g/cup). Note that this is division — to find cups when you know grams, you divide weight by the density factor. The opposite direction (cups to grams) uses multiplication.

Quick mental shortcut: For water and milk, the divisor is roughly 240 (water is 236.59, milk is 240). So 381 grams of water is approximately 381 ÷ 240 = 1.6104 cups — good enough for everyday cooking.

Step 2: Worked Example with Water

Water is the simplest case. One US cup holds 236.59 mL of water, and water has a density of 1 g/mL, so:

Cups of water = 381 ÷ 236.59 = 1.6104 cups

That means 381 grams of water equals about 1.6104 US cups. Milk is very close at 1.5875 cups.

Step 3: Worked Example with Flour

Goal: Convert 381 grams of all-purpose flour to cups

1. Look up the flour density factor:

All-purpose flour ≈ 125 g/cup

2. Divide:

381 ÷ 125 = 3.048 cups

Answer: 381 grams of all-purpose flour ≈ 3.048 cups.

Step 4: Cheat Sheet for 381 Grams

  • Water: 381 g ≈ 1.6104 cups
  • Milk: 381 g ≈ 1.5875 cups
  • All-purpose flour: 381 g ≈ 3.048 cups
  • Bread flour: 381 g ≈ 2.9308 cups
  • Cake flour: 381 g ≈ 3.3421 cups
  • Granulated sugar: 381 g ≈ 1.905 cups
  • Brown sugar (packed): 381 g ≈ 1.7318 cups
  • Powdered sugar: 381 g ≈ 3.175 cups
  • Butter: 381 g ≈ 1.6784 cups
  • Vegetable oil: 381 g ≈ 1.7477 cups
  • Honey: 381 g ≈ 1.1206 cups
  • Maple syrup: 381 g ≈ 1.1832 cups
  • Table salt: 381 g ≈ 1.3956 cups
  • Baking powder: 381 g ≈ 1.9844 cups
  • Baking soda: 381 g ≈ 1.7318 cups
  • Cocoa powder: 381 g ≈ 3.81 cups
  • Cornstarch: 381 g ≈ 2.9766 cups
  • Rolled oats: 381 g ≈ 4.2333 cups
  • Uncooked rice: 381 g ≈ 1.905 cups

Cup size matters: A US cup is 236.588 mL, a metric cup is 250 mL, and a UK imperial cup is 284 mL. The numbers on this page assume a US cup — the standard for most American recipes. For metric cups, multiply the US cup result by approximately 0.946; for UK imperial cups, multiply by approximately 0.833.

381 Grams to Cups Conversion Chart for Common Ingredients

381 Grams to Cups Ingredient Conversion Chart

381 Grams to Cups Quick Reference Chart Ingredient Cups per 381 Grams Water 1.6104 cups Milk 1.5875 cups Heavy Cream 1.6422 cups Vegetable Oil 1.7477 cups All-Purpose Flour 3.048 cups Whole Wheat Flour 3.175 cups Granulated Sugar 1.905 cups Brown Sugar (packed) 1.7318 cups Powdered Sugar 3.175 cups Honey 1.1206 cups Maple Syrup 1.1832 cups Butter 1.6784 cups Salt (Table) 1.3956 cups Baking Powder 1.9844 cups Baking Soda 1.7318 cups Cocoa Powder 3.81 cups Ground Coffee 4.7625 cups Cornstarch 2.9766 cups Rolled Oats 4.2333 cups Uncooked Rice 1.905 cups Note: Values are approximate and may vary by brand, packing method, or humidity. © Measurements Calculator
Download Chart (PNG)

Measurementscalculator.com 381 Grams Conversion Table

381 Grams Converted to Other Units

Unit Value Notes
US Cups (water-based) 1.6104 cups Average reference
Milliliters (water) 381 mL For water, 1 g = 1 mL
Tablespoons (water) 25.766 tbsp 1 tbsp ≈ 14.79 g of water
Teaspoons (water) 77.3 tsp 1 tsp ≈ 4.93 g of water
Fluid Ounces (water) 12.883 fl oz 1 US fl oz ≈ 29.57 g water
Pints (water) 0.8052 pints 1 US pint ≈ 473.18 g water
Quarts (water) 0.4026 quarts 1 US quart ≈ 946.35 g water
Ounces (mass) 13.439 oz 1 oz = 28.3495 g
Pounds (mass) 0.84 lb 1 lb = 453.592 g
Kilograms 0.381 kg 1 kg = 1,000 g
Milligrams 381000 mg 1 g = 1,000 mg
Metric Cups 1.524 cups Metric cup = 250 mL
UK Imperial Cups 1.3409 cups UK cup = 284.131 mL

381 Grams in Common Recipes

Here’s what 381 grams looks like in cups for the ingredients you’ll use most in real cooking and baking:

🍞 Bread Baking (Bread Flour)

381 g = 2.9308 cups
Bread flour is denser than all-purpose flour because it has more protein. Use a kitchen scale for the most accurate hydration ratios.

🎂 Cake Baking (Cake Flour)

381 g = 3.3421 cups
Cake flour is lighter and finer than AP flour, so the same weight fills a larger cup volume. Sift before measuring for best results.

🍪 Cookies (Brown Sugar, packed)

381 g = 1.7318 cups
Brown sugar is measured packed — pressed firmly into the cup. Loose-packed brown sugar will read about 15% lighter.

🥞 Pancakes & Muffins (Milk)

381 g = 1.5875 cups
Milk is slightly denser than water (about 1.03 g/mL). For most recipes you can substitute milk and water 1:1 by weight without recalculating.

🍯 Sweetening with Honey

381 g = 1.1206 cups
Honey is much denser than sugar — the same gram weight occupies far less volume. Substituting honey for sugar 1:1 by weight changes texture.

🧈 Butter (softened or melted)

381 g = 1.6784 cups
In the US, one cup of butter = 2 sticks = 227 g. Convenient reference: 113 g ≈ 1 stick ≈ ½ cup.

🌾 Oatmeal (Rolled Oats)

381 g = 4.2333 cups
Rolled oats are airy, so a cup weighs only about 90 g. Steel-cut oats are denser and won’t follow this conversion.

🍚 Rice (uncooked)

381 g = 1.905 cups
Uncooked long-grain white rice is about 200 g/cup. Rice triples in volume when cooked, so plan portions accordingly.

☕ Espresso/Drip Coffee (Ground)

381 g = 4.7625 cups
A standard drip coffee uses ~10 g per cup of brewed coffee. For pour-over, a 1:16 ratio is a great starting point.

Measuring 381 Grams Without a Kitchen Scale

Missing a scale handy? It’s still possible to approximate 381 grams using common kitchen tools — just remember the result will be a volume estimate, and accuracy depends heavily on the ingredient.

Use Measuring Cups for Liquids

For water, milk, and other liquids with density close to 1 g/mL, you can measure directly. 381 grams of water ≈ 1.6104 US cups ≈ 381 mL. Most glass liquid-measuring cups have mL markings that make this easy.

Use Tablespoons and Teaspoons for Small Amounts

For dry powders like flour, sugar, or salt, tablespoons can replace a scale if you’re careful to level off each spoonful with a flat edge. As a baseline (for water): 381 grams ≈ 25.766 tablespoons ≈ 77.3 teaspoons.

Volume-First Reference (Ingredient-Specific)

  • Flour: Spoon flour into the cup, then level — don’t scoop with the cup (that compresses and adds ~25% weight). 381 g of AP flour ≈ 3.048 cups.
  • Granulated sugar: Sugar packs predictably, so cup measurements stay close to accurate. 381 g ≈ 1.905 cups.
  • Brown sugar: Pack firmly into the cup. 381 g packed ≈ 1.7318 cups.
  • Butter: Use the wrapper markings (in the US, 1 stick = 113 g = ½ cup). 381 g ≈ 1.6784 cups.
Pro Tip: Even a basic $15 digital kitchen scale eliminates guesswork. For bread, pastry, and chocolate work — where small differences matter — weighing is non-negotiable. Volume measures vary up to 20% depending on how aerated, packed, or settled the ingredient is.

Grams & Cups: A Cook’s Primer

The Gram — A Universal Weight

A gram (g) is the metric system’s base unit of mass, equal to one-thousandth of a kilogram. Unlike a cup, a gram is identical anywhere in the world and doesn’t change based on how an ingredient is scooped, packed, or sifted. When a recipe specifies 381 grams, it’s telling you exactly how much mass to add — no ambiguity. That’s why professional bakers and serious home cooks prefer weighing over volume measuring.

The Cup — A Familiar Volume

A cup is a unit of volume used in cooking, especially in the United States. It represents how much space an ingredient occupies, not how much it weighs. Cups come in a few different sizes depending on which standard you’re working from, so converting 381 grams to cups depends on which “cup” your recipe is referring to.

US Customary Cup

236.588 mL. Used in nearly all American recipes and on US nutrition labels.

US Legal Cup

240 mL. Defined by FDA for nutrition labeling. Slightly larger than the customary cup.

Metric Cup

Exactly 250 mL. Standard in Canada, Australia, New Zealand, and many European countries.

UK Imperial Cup

284.131 mL (½ imperial pint). Mostly historical now — modern UK recipes typically use weight or mL.

Why Density Drives the Conversion

Density is mass per unit of volume. To turn 381 grams (a mass) into cups (a volume), you have to apply the ingredient’s density. Water is the baseline at 1 g/mL, which puts 381 grams of water at exactly 1.6104 US cups. Honey is roughly 1.4× denser, so 381 grams of honey fits in only 1.1206 cups. Flour is much less dense in cup form (lots of air between particles), so 381 grams of flour spreads to 3.048 cups — about double the water volume.

FAQ: 381 Grams to Cups

❓ How many cups is 381 grams?

The cup volume depends on the ingredient’s density. For 381 grams:
  • Water: 1.6104 cups
  • All-purpose flour: 3.048 cups
  • Granulated sugar: 1.905 cups
  • Butter: 1.6784 cups
  • Honey: 1.1206 cups
  • Table salt: 1.3956 cups

⚖️ Why does 381 grams of different ingredients fill different cup volumes?

Because grams measure weight while cups measure volume. The same weight of a dense ingredient like honey takes up less space than the same weight of a light, airy ingredient like flour. The cup itself doesn’t change — only what fills it changes. Honey is roughly 3.4× denser than flour in a measuring cup, which is why 381 g of honey (1.1206 cups) takes much less volume than 381 g of flour (3.048 cups).

📏 What’s the formula to convert 381 grams to cups?

Use simple division:
Cups = Grams ÷ (grams per cup)
For 381 grams of water (236.59 g/cup):
381 ÷ 236.59 = 1.6104 cups.
Swap in the right density value for whichever ingredient you’re working with — see the cheat sheet above.

🥛 Is the answer the same for a metric cup vs. a US cup?

Close, but not identical. A US customary cup holds 236.588 mL; a metric cup (used in Australia, Canada, New Zealand, and parts of Europe) is exactly 250 mL — a 5.7% difference. The US legal cup used on nutrition labels is 240 mL. The traditional UK imperial cup (284.131 mL) is noticeably larger and is rarely used in modern recipes. So 381 grams of water = 1.6104 US cups but only 1.524 metric cups.

🎯 Is volume measurement accurate enough for 381 grams of an ingredient?

For everyday cooking, yes. For baking — especially anything with flour, leavening agents, or precise hydration ratios — a digital scale is more reliable. Volume measures vary by 15-25% depending on how packed, sifted, or settled an ingredient is. Weight does not.
Tip: If you must use volume for flour, spoon the flour into the cup and level it off with a knife. Scooping the cup directly into the flour bag can pack in 25-50% more flour than the recipe expects.

📊 Quick reference: 381 grams → cups (common ingredients)

Ingredient g per cup 381 g = cups
Water236.591.6104
All-purpose flour1253.048
Granulated sugar2001.905
Butter2271.6784
Vegetable oil2181.7477
Honey3401.1206
Table salt2731.3956
Baking powder1921.9844
Cocoa powder1003.81
Rolled oats904.2333
Values are averages; actual results vary by brand, temperature, humidity, and packing method.

Nearby Grams to Cups Conversions

Browse the conversions immediately before and after 381 grams on the same scale:

Browse the full Grams to Cups conversion hub for every gram value from 1 to 1000, plus ingredient-specific charts and printable references. Looking for the opposite direction? Visit our Cups to Grams converter. You may also find these related tools useful: Grams to Tablespoons, and Grams to Teaspoons.