How Much Is 18 Teaspoons of Cinnamon in Ounces?

Q: How many ounces is 18 teaspoons of cinnamon?

18 teaspoons of cinnamon converts to approximately 1.69 oz.

Converting 18 teaspoons of cinnamon to ounces gives 1.69 oz. One teaspoon of cinnamon weighs 2.67g, so 18 teaspoons is 18 × 2.67 = 48g (1.69 oz). This conversion is specific to cinnamon because each ingredient has a different density.

18 teaspoons of cinnamon

1.69oz

Result using all teaspoon standards info

1.69 oz (US) 1.72 oz (Metric Teaspoon) 2.03 oz (Imperial Teaspoon)

Try: 0.25 teaspoons = 0.02 oz 0.5 teaspoons = 0.05 oz 1 teaspoon = 0.09 oz 1.5 teaspoons = 0.14 oz

Compare: 18 teaspoons active dry yeast = 1.90 oz 18 teaspoons baking powder = 3.04 oz 18 teaspoons baking soda = 2.91 oz

Convert a different ingredient

18 teaspoons of cinnamon is also

48 g (grams)

Teaspoons of Cinnamon info

Ounces

1.69

Formula and Step-by-Step

teaspoons × 2.67g/tsp ÷ 28.3495g/oz = ounces

Start with 18 teaspoons of cinnamon
1 teaspoon of cinnamon = 2.67g
18 × 2.67 = 48g
Convert grams to ounces: 48 ÷ 28.3495 = 1.69 oz

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

Measuring Tip

Ground spices like cinnamon settle and compact during storage. Stir or fluff before measuring by volume for a consistent amount.

Cinnamon at Different Amounts

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

For reference, 18 teaspoons of cinnamon (48g) is close in weight to a golf ball (46g).

Other Amounts of Cinnamon

Teaspoons	US Ounces	Metric Teaspoon	Imperial Teaspoon
0.25 teaspoons	0.02 oz	0.02 oz	0.03 oz
0.5 teaspoons	0.05 oz	0.05 oz	0.06 oz
1 teaspoon	0.09 oz	0.10 oz	0.11 oz
1.5 teaspoons	0.14 oz	0.14 oz	0.17 oz
2 teaspoons	0.19 oz	0.19 oz	0.23 oz
3 teaspoons	0.28 oz	0.29 oz	0.34 oz
4 teaspoons	0.38 oz	0.38 oz	0.45 oz
5 teaspoons	0.47 oz	0.48 oz	0.56 oz
6 teaspoons	0.56 oz	0.57 oz	0.68 oz
8 teaspoons	0.75 oz	0.76 oz	0.90 oz
18 teaspoons	1.69 oz	1.72 oz	2.03 oz

Understanding the Units

What is a Teaspoon?

A US teaspoon is 4.929 ml, a metric teaspoon is exactly 5 ml, and an imperial teaspoon is 5.919 ml. The metric and US versions are nearly identical (1.4% difference), but the imperial teaspoon is 20% larger. For most spices the difference is negligible, but for leaveners like baking powder it can affect the result.

What is an Ounce?

Ounces are commonly used in US recipes for cheese, meat, chocolate, and other ingredients sold by weight. Many kitchen scales offer both gram and ounce readings.

Frequently Asked Questions

How many ounces is 18 teaspoons of cinnamon? expand_more

About 1.69 oz, based on cinnamon having a density of 128g per cup. The exact amount depends on how the ingredient is measured and the specific product.

What is the formula for converting teaspoons of cinnamon to ounces? expand_more

Multiply the number of teaspoons by 2.67 (grams per teaspoon for cinnamon), then divide by 28.3495 to convert grams to ounces. For 18 teaspoons: 18 × 2.67 = 48g, then 48 ÷ 28.3495 = 1.69 oz.

How do I measure cinnamon accurately? expand_more

For the most accurate results, weigh cinnamon 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.

Why do different sources give different weights for cinnamon? expand_more

Weight-per-cup values vary because of differences in how the ingredient is measured (spooned vs scooped), grind size, moisture content, and settling during storage. Our values use standardized measurement methods from established culinary references.