Convert Mayonnaise from Cup (US)

How much is 1 US cup of mayonnaise?

1 US cup of mayonnaise (mayo) is 220.8 grams, about 7.79 ounces. 0.5 US cups of mayonnaise is 110.4 grams and 2 US cups is 441.6 grams. Use the converter below for any amount.

Mayonnaise is a thick emulsion of oil, egg yolk, and an acid such as vinegar or lemon juice. One metric cup (250 ml) weighs around 230 grams or 8.11 ounces. Most cooks reach for it as a sandwich spread or salad dressing base, but it also keeps cakes and quick breads moist when used in place of oil or sour cream.

Jars of mayonnaise are sold by volume in millilitres or by weight in grams, while recipes mix cups, tablespoons, and grams. Converting between the three saves you over-spooning into a chocolate cake batter that calls for half a cup.

Also known as

  • mayo
  • real mayonnaise

Sour cream is tangier and slightly heavier than mayonnaise (250 g vs 230 g per cup). They swap 1:1 in dressings, slaws, and dips, with mayonnaise giving a richer, less tangy result. In cake batters that lean on sour cream for tenderness, mayonnaise is a workable stand-in since both are mostly fat and water. See sour cream in US cups.

Out of mayonnaise? See mayonnaise substitutes →

No measuring cups? The tool below gets you close, and a measuring cup set keeps every batch the same.

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Mayonnaise Measurement Converter

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Common Mayonnaise Conversions

Here are the most common mayonnaise conversions from cups (US) to grams.

Cups (US)Grams
0.25 cups (US)55.2 g
0.5 cups (US)110.4 g
0.75 cups (US)165.6 g
1 cup (US)220.8 g
1.25 cups (US)276 g
1.5 cups (US)331.2 g
2 cups (US)441.6 g
2.5 cups (US)552 g
3 cups (US)662.4 g

Mayonnaise Conversion Chart

The conversion chart below gives a quick reference for converting mayonnaise from Cup (US) to other measurements.

cup(US)cupgramsouncestbsptsp
0.25 cup (US)0.24 cup55.2 g1.95 oz4 tbsp12 tsp
0.5 cup (US)0.48 cup110.4 g3.89 oz8 tbsp24 tsp
1 cup (US)0.96 cup220.8 g7.79 oz16 tbsp48 tsp
2 cup (US)1.92 cup441.6 g15.57 oz32 tbsp96 tsp

Frequently Asked Questions

How much is 1 US cup of mayonnaise?
1 US cup of mayonnaise is 220.8 grams, or 7.79 ounces. The ratio is fixed, so 0.5 US cups of mayonnaise is 110.4 grams and 2 US cups is 441.6 grams. Whatever unit your recipe uses, enter the amount in the converter above or read the conversion chart on this page for the most common quantities. Open the mayonnaise converter
How many grams is 1 US cup of mayonnaise?
1 US cup of mayonnaise is 220.8 grams. The conversion scales in a straight line, so 0.5 US cups is 110.4 grams and 2 US cups is 441.6 grams. Multiply or divide that figure to match whatever your recipe needs, or use the converter above for an exact grams reading at any amount. 1 US cup mayonnaise in grams
How many US cups of mayonnaise is 220.8 grams?
220.8 grams of mayonnaise is 1 US cup. The conversion works the same in reverse, so you can switch between US cups and grams without changing the result. This helps when a recipe lists one unit but you would rather measure in the other. The converter above and the chart below cover both directions for any amount.
What is 1 US cup of mayonnaise in ounces?
1 US cup of mayonnaise is 7.79 ounces. The ratio is fixed, so 0.5 US cups is 3.89 ounces and 2 US cups is 15.57 ounces. Use the converter above for any other amount, or see the chart on this page for the common quantities at a glance. 1 US cup mayonnaise in ounces
How do US cups and tablespoons compare as units?
US cups and tablespoons are both volume units, so the conversion between them does not vary by ingredient. One metric cup holds about 16.67 tablespoons or 50 teaspoons, and the ratio stays fixed regardless of what you are measuring. The volume converter handles any amount between cups, tablespoons, teaspoons, and millilitres. Cups (US) to tablespoons

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