US teaspoon to Cubic inch Converter
Convert us teaspoons to cubic inches with this free volume converter. The exact relationship used on this page is 1 us teaspoon = 0.30078125 cubic inches. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Cubic inch = US teaspoon × 0.30078125
How to convert us teaspoons to cubic inches
- Enter the value in us teaspoons in the converter.
- Read the equivalent amount in cubic inches.
- Use the swap link if you need cubic inch to us teaspoon instead.
- Check the table for common values without typing.
Worked examples
- 1 tsp = 0.30078125 in³
- 5 tsp = 1.50390625 in³
- 10 tsp = 3.0078125 in³
- 25 tsp = 7.51953125 in³
Conversion table
Common us teaspoons values converted to cubic inches.
| tsp | in³ |
|---|---|
| 1 | 0.30078125 |
| 2 | 0.6015625 |
| 3 | 0.90234375 |
| 4 | 1.203125 |
| 5 | 1.50390625 |
| 6 | 1.8046875 |
| 7 | 2.10546875 |
| 8 | 2.40625 |
| 9 | 2.70703125 |
| 10 | 3.0078125 |
| 20 | 6.015625 |
| 50 | 15.0390625 |
| 100 | 30.078125 |
| 250 | 75.1953125 |
| 500 | 150.390625 |
| 1,000 | 300.78125 |
About this conversion
US teaspoon (tsp) and Cubic inch (in³) are both volume units. Volume tools cover cooking cups and spoons, US and UK gallons, liters, milliliters, and cubic meters or feet. Bookmark this URL when you convert us teaspoons to cubic inches often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the cubic inch to us teaspoon converter.
FAQ
How many cubic inches are in 1 us teaspoon?+
1 us teaspoon equals 0.30078125 cubic inches.
What is the formula to convert us teaspoons to cubic inches?+
Cubic inch = US teaspoon × 0.30078125
How do I convert us teaspoons to cubic inches by hand?+
Multiply the us teaspoon value by 0.30078125. Example: 10 us teaspoons × 0.30078125 = 3.0078125 cubic inches.
Is this tsp to in³ converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.