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How Much Is 18 Teaspoons of Mayonnaise in Grams?

18 teaspoons of mayonnaise equals 82.50 g. Mayonnaise has a density of 220g per cup (4.58g per teaspoon), which means it's relatively light compared to other common cooking ingredients. For comparison, 18 teaspoons of honey would be 127.5 g.

18 teaspoons of mayonnaise
=
82.50g
Result using all teaspoon standards info
82.50 g (US) 83.69 g (Metric Teaspoon) 99.07 g (Imperial Teaspoon)
18 teaspoons of mayonnaise is also
82.50

Formula and Step-by-Step

teaspoons × 4.58g/tsp = grams
  1. Start with 18 teaspoons of mayonnaise
  2. 1 teaspoon of mayonnaise = 4.58g
  3. 18 × 4.58 = 82.5g

The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.

Measuring Tip

For the most accurate results, weigh mayonnaise on a kitchen scale. Thick spreads can vary by 5-10% depending on how firmly they are packed.

Mayonnaise at Different Amounts

How mayonnaise scales across common teaspoons measurements. Your amount (18 teaspoons) is highlighted.

1.5 tsp6.88 g2 tsp9.17 g3 tsp13.75 g4 tsp18.33 g5 tsp22.92 g6 tsp27.5 g8 tsp36.67 g18 tsp82.5 g

For reference, 18 teaspoons of mayonnaise (82.5g) is close in weight to a deck of playing cards (94g).

Other Amounts of Mayonnaise

Teaspoons US Grams Metric Teaspoon Imperial Teaspoon
0.25 teaspoons 1.15 g 1.16 g 1.38 g
0.5 teaspoons 2.29 g 2.32 g 2.75 g
1 teaspoon 4.58 g 4.65 g 5.50 g
1.5 teaspoons 6.88 g 6.97 g 8.26 g
2 teaspoons 9.17 g 9.30 g 11.01 g
3 teaspoons 13.75 g 13.95 g 16.51 g
4 teaspoons 18.33 g 18.60 g 22.02 g
5 teaspoons 22.92 g 23.25 g 27.52 g
6 teaspoons 27.50 g 27.90 g 33.02 g
8 teaspoons 36.67 g 37.19 g 44.03 g
18 teaspoons 82.50 g 83.69 g 99.07 g

Understanding the Units

What is a Teaspoon?

A teaspoon (tsp) is a US customary unit of volume equal to 4.929 milliliters or 1/3 of a tablespoon. It is the standard measure for spices, leaveners, extracts, and other small-quantity ingredients.

What is a Gram?

A gram (g) is a metric unit of mass equal to 1/1000 of a kilogram. It is the standard weight measurement for precise baking worldwide. Professional bakers prefer grams because they are more accurate than volume measurements.

Frequently Asked Questions

About 82.50 g, based on mayonnaise having a density of 220g per cup. The exact amount depends on how the ingredient is measured and the specific product.
Multiply the number of teaspoons by 4.58 (grams per teaspoon for mayonnaise). For 18 teaspoons: 18 × 4.58 = 82.50 g.
For the most accurate results, weigh mayonnaise on a kitchen scale. If measuring by volume, spoon the ingredient into the measuring spoon and level it off with a straight edge rather than scooping directly.
Fat content has a small effect on density. Higher-fat versions are slightly lighter per volume because fat is less dense than water. The difference is usually under 5%, so this conversion works well for standard varieties.
Reverse the conversion: 82.50 g ÷ 4.58 = 18 teaspoons. Or use the Grams to Teaspoons converter.