Cubic Inches to Teaspoons Conversion (in³ to tsp)

Cubic Inches to Teaspoons Converter

Enter the volume in cubic inches below to convert it to teaspoons.

Result in Teaspoons:

1 in³ = 3.324675 tsp
1 in³ ≈ 3 1/3 tsp

How to Convert Cubic Inches to Teaspoons

To convert a measurement in cubic inches to a measurement in teaspoons, multiply the volume by the following conversion ratio: 3.324675 teaspoons/cubic inch.

Since one cubic inch is equal to 3.324675 teaspoons, you can use this simple formula to convert:

teaspoons = cubic inches × 3.324675

The volume in teaspoons is equal to the volume in cubic inches multiplied by 3.324675.

For example, here's how to convert 5 cubic inches to teaspoons using the formula above.

teaspoons = (5 in³ × 3.324675) = 16.623377 tsp

How Many Teaspoons Are in a Cubic Inch?

There are 3.324675 teaspoons in a cubic inch, which is why we use this value in the formula above.

1 in³ = 3.324675 tsp

Cubic inches and teaspoons are both units used to measure volume. Keep reading to learn more about each unit of measure.

What Is a Cubic Inch?

A cubic inch is a unit of volume equal to the space consumed by a cube with sides that are one inch in all directions. One cubic inch is equivalent to about 16.387 cubic centimeters or 0.554 fluid ounces.^[1]

The cubic inch is a US customary and imperial unit of volume. A cubic inch is sometimes also referred to as a cubic in. Cubic inches can be abbreviated as in³, and are also sometimes abbreviated as cu inch, cu in, or CI. For example, 1 cubic inch can be written as 1 in³, 1 cu inch, 1 cu in, or 1 CI.

Learn more about cubic inches.

What Is a Teaspoon?

The teaspoon is a unit of volume equal to 1/3 of a tablespoon or 1/6 of a fluid ounce.^[2] One teaspoon is equal to approximately 4.929 milliliters, but in nutrition labeling, one teaspoon is equal to exactly 5 milliliters.^[3]

The teaspoon is a US customary unit of volume. Teaspoons can be abbreviated as tsp, and are also sometimes abbreviated as t, ts, or tspn. For example, 1 teaspoon can be written as 1 tsp, 1 t, 1 ts, or 1 tspn.

Learn more about teaspoons.

Cubic Inch to Teaspoon Conversion Table

Table showing various cubic inch measurements converted to teaspoons.
Cubic Inches	Teaspoons
1 in³	3.3247 tsp
2 in³	6.6494 tsp
3 in³	9.974 tsp
4 in³	13.3 tsp
5 in³	16.62 tsp
6 in³	19.95 tsp
7 in³	23.27 tsp
8 in³	26.6 tsp
9 in³	29.92 tsp
10 in³	33.25 tsp
11 in³	36.57 tsp
12 in³	39.9 tsp
13 in³	43.22 tsp
14 in³	46.55 tsp
15 in³	49.87 tsp
16 in³	53.19 tsp
17 in³	56.52 tsp
18 in³	59.84 tsp
19 in³	63.17 tsp
20 in³	66.49 tsp
21 in³	69.82 tsp
22 in³	73.14 tsp
23 in³	76.47 tsp
24 in³	79.79 tsp
25 in³	83.12 tsp
26 in³	86.44 tsp
27 in³	89.77 tsp
28 in³	93.09 tsp
29 in³	96.42 tsp
30 in³	99.74 tsp
31 in³	103.06 tsp
32 in³	106.39 tsp
33 in³	109.71 tsp
34 in³	113.04 tsp
35 in³	116.36 tsp
36 in³	119.69 tsp
37 in³	123.01 tsp
38 in³	126.34 tsp
39 in³	129.66 tsp
40 in³	132.99 tsp

Table showing various cubic inch measurements converted to teaspoons.

Cubic Inches

Teaspoons

1 in³

3.3247 tsp

2 in³

6.6494 tsp

3 in³

9.974 tsp

4 in³

13.3 tsp

5 in³

16.62 tsp

6 in³

19.95 tsp

7 in³

23.27 tsp

8 in³

26.6 tsp

9 in³

29.92 tsp

10 in³

33.25 tsp

11 in³

36.57 tsp

12 in³

39.9 tsp

13 in³

43.22 tsp

14 in³

46.55 tsp

15 in³

49.87 tsp

16 in³

53.19 tsp

17 in³

56.52 tsp

18 in³

59.84 tsp

19 in³

63.17 tsp

20 in³

66.49 tsp

21 in³

69.82 tsp

22 in³

73.14 tsp

23 in³

76.47 tsp

24 in³

79.79 tsp

25 in³

83.12 tsp

26 in³

86.44 tsp

27 in³

89.77 tsp

28 in³

93.09 tsp

29 in³

96.42 tsp

30 in³

99.74 tsp

31 in³

103.06 tsp

32 in³

106.39 tsp

33 in³

109.71 tsp

34 in³

113.04 tsp

35 in³

116.36 tsp

36 in³

119.69 tsp

37 in³

123.01 tsp

38 in³

126.34 tsp

39 in³

129.66 tsp

40 in³

132.99 tsp

References

National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.44-2019.pdf
Florida Department of Agriculture and Consumer Services, Cooking Conversion Guide, https://www.fdacs.gov/content/download/17165/file/P-01775.pdf
U.S. Food & Drug Administration, Guidance for Industry: Guidelines for Determining Metric Equivalents of Household Measures, https://www.fda.gov/regulatory-information/search-fda-guidance-documents/guidance-industry-guidelines-determining-metric-equivalents-household-measures