US Teaspoons to Cubic Inches (tsp to in³) Converter
1 US teaspoon (tsp) = 0.300781 cubic inches (in³). To convert US teaspoons to cubic inches, multiply by 0.300781: 1 tsp × 0.300781 = 0.300781 in³.
Quick facts
- 1 tsp = 0.300781 in³
- 1 in³ = 3.32468 tsp
- Formula: in³ = tsp × 0.300781
- Quick estimate: multiply by about 0.3
How to convert US teaspoons to cubic inches
- Take the value in US teaspoons.
- Multiply it by 0.300781 (the number of cubic inches in one US teaspoon).
- Round the result to the precision you need.
Worked example (a recipe): 1 tsp × 0.300781 = 0.300781 in³.
To convert cubic inches back to US teaspoons, multiply by 3.32468, or divide by 0.300781.
Source: NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units).
US Teaspoons to Cubic Inches conversion table
| US Teaspoons [tsp] | Cubic Inches [in³] |
|---|---|
| 0.01 tsp | 0.0030078125 in³ |
| 0.1 tsp | 0.030078125 in³ |
| 1 tsp | 0.3007812504 in³ |
| 2 tsp | 0.6015625008 in³ |
| 3 tsp | 0.9023437511 in³ |
| 5 tsp | 1.5039062519 in³ |
| 10 tsp | 3.0078125038 in³ |
| 20 tsp | 6.0156250076 in³ |
| 50 tsp | 15.0390625191 in³ |
| 100 tsp | 30.0781250381 in³ |
| 1000 tsp | 300.7812503814 in³ |
tsp to in³ chart from 1 to 100
- 1 tsp 0.300781 in³
- 2 tsp 0.601563 in³
- 3 tsp 0.902344 in³
- 4 tsp 1.20313 in³
- 5 tsp 1.50391 in³
- 6 tsp 1.80469 in³
- 7 tsp 2.10547 in³
- 8 tsp 2.40625 in³
- 9 tsp 2.70703 in³
- 10 tsp 3.00781 in³
- 11 tsp 3.30859 in³
- 12 tsp 3.60938 in³
- 13 tsp 3.91016 in³
- 14 tsp 4.21094 in³
- 15 tsp 4.51172 in³
- 16 tsp 4.8125 in³
- 17 tsp 5.11328 in³
- 18 tsp 5.41406 in³
- 19 tsp 5.71484 in³
- 20 tsp 6.01563 in³
- 25 tsp 7.51953 in³
- 30 tsp 9.02344 in³
- 35 tsp 10.5273 in³
- 40 tsp 12.0313 in³
- 45 tsp 13.5352 in³
- 50 tsp 15.0391 in³
- 55 tsp 16.543 in³
- 60 tsp 18.0469 in³
- 65 tsp 19.5508 in³
- 70 tsp 21.0547 in³
- 75 tsp 22.5586 in³
- 80 tsp 24.0625 in³
- 85 tsp 25.5664 in³
- 90 tsp 27.0703 in³
- 95 tsp 28.5742 in³
- 100 tsp 30.0781 in³
Cubic Inches to US Teaspoons conversion table
| Cubic Inches [in³] | US Teaspoons [tsp] |
|---|---|
| 0.01 in³ | 0.0332467532 tsp |
| 0.1 in³ | 0.332467532 tsp |
| 1 in³ | 3.3246753205 tsp |
| 2 in³ | 6.6493506409 tsp |
| 3 in³ | 9.9740259614 tsp |
| 5 in³ | 16.6233766023 tsp |
| 10 in³ | 33.2467532046 tsp |
| 20 in³ | 66.4935064092 tsp |
| 50 in³ | 166.233766023 tsp |
| 100 in³ | 332.467532046 tsp |
| 1000 in³ | 3324.6753204595 tsp |
US Teaspoons vs Cubic Inches
| US Teaspoon | Cubic Inch | |
|---|---|---|
| Symbol | tsp | in³ |
| Equals | 1 tsp = 0.300781 in³ | 1 in³ = 3.32468 tsp |
What is a US teaspoon?
A US customary cooking measure equal to 1/3 tablespoon. Used in US recipes for small quantities of ingredients.
What is a cubic inch?
The volume of a cube with 1-inch sides. Used in the US for small mechanical parts and engine displacement.
Frequently asked questions
How many cubic inches are in a US teaspoon?
There are 0.300781 cubic inches in 1 US teaspoon (1 tsp = 0.3007812504 in³).
How many US teaspoons are in a cubic inch?
There are 3.32468 US teaspoons in 1 cubic inch (1 in³ = 3.3246753205 tsp).
How do I convert US teaspoons to cubic inches?
Multiply the number of US teaspoons by 0.300781. For example, 10 tsp × 0.300781 = 3.00781 in³. To convert back, multiply by 3.32468.
What is 10 tsp in cubic inches?
10 tsp = 3.00781 in³.
What is 100 tsp in cubic inches?
100 tsp = 30.0781 in³.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units)). Results are shown to up to 10 decimal places; round them to suit your purpose.
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