Why cups are not converted directly to grams
A cup of flour, a cup of sugar and a cup of butter do not weigh the same. This tool does not guess densities and only converts compatible units.
Cooking
Cooking measurement converter
Convert cups, tablespoons, milliliters, grams and other common cooking measurements for any recipe.
Quick conversion
What measurement do you want to convert?
Enter decimals or fractions such as 1/2, 3/4 or 1 1/2.
Cup and spoon sizes can vary by country or recipe.
Related conversions
ml Milliliter
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l Liter
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cup Cup
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tbsp Tablespoon
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tsp Teaspoon
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fl oz US fluid ounce
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g Gram
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kg Kilogram
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oz Weight ounce
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lb Pound
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Formula used
The formula will appear after you enter an amount.
The calculation keeps full precision and rounds only the displayed result.
Publicidad
Common conversions
Use these shortcuts to load common measurements without configuring the converter again.
Volume and mass are not the same
A cup measures volume, while a gram measures mass. Converting between them requires knowing the ingredient.
Metric and US cups
A metric cup equals 250 ml. A US cup equals 236.5882365 ml. Select the system that matches your recipe.
Base conversions
Reference values used by the calculator for volume and mass.
Volume
1 l = 1000 ml
1 metric cup = 250 ml
1 metric tbsp = 15 ml
1 fl oz = 29.5735295625 ml
Mass
1 kg = 1000 g
1 oz = 28.349523125 g
1 lb = 453.59237 g
fl oz is not the same as oz
Related calculators
When you need to change serving sizes, use the dedicated recipe scaler.
This version converts compatible measurements. Scaling by servings and ingredient-based conversion are separate tasks.
Open the recipe scalerFrequently asked questions
How many milliliters are in a cup?
A metric cup contains 250 ml. A US cup contains 236.5882365 ml. Check the selected system before converting.
How many tablespoons are in a cup?
In the metric system, a 250 ml cup equals 16.67 tablespoons of 15 ml. In US recipes, one cup equals 16 US tablespoons.
How many grams are in an ounce?
One avoirdupois ounce equals exactly 28.349523125 grams.
Is a fluid ounce the same as a weight ounce?
No. A fluid ounce measures volume, while an ounce measures mass. This calculator keeps them separate to avoid confusion.
Can I convert cups of flour to grams?
Not in this version. Converting volume to weight requires selecting an ingredient because flour, sugar, butter and rice have different densities.
What is the difference between a metric cup and a US cup?
The metric cup used here equals 250 ml. A US cup equals 236.5882365 ml.