Convert volume units — liters, gallons, cups, milliliters, cubic meters, barrels and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 in³ | 0.00332468 tsp | |
| 0.01 in³ | 0.0332468 tsp | |
| 0.1 in³ | 0.332468 tsp | |
| 1 in³ | 3.32468 tsp | |
| 5 in³ | 16.6234 tsp | |
| 10 in³ | 33.2468 tsp | |
| 50 in³ | 166.234 tsp | |
| 100 in³ | 332.468 tsp | |
| 1000 in³ | 3324.68 tsp |
Common cubic inch values converted to teaspoon — factor: 1 in³ = 3.325 tsp
| Cubic Inch (in³) | Teaspoon (tsp) | Context |
|---|---|---|
| 1 in³ | 3.325 tsp | — |
| 5 in³ | 16.62 tsp | — |
| 10 in³ | 33.25 tsp | — |
| 16 in³ | 53.19 tsp | — |
| 30 in³ | 99.74 tsp | — |
| 61 in³ | 202.8 tsp | — |
| 100 in³ | 332.5 tsp | — |
| 231 in³ | 768 tsp | — |
| 500 in³ | 1,662 tsp | — |
| 1,000 in³ | 3,325 tsp | — |
| 1,728 in³ | 5,745 tsp | — |
| 3,000 in³ | 9,974 tsp | — |
| 5,000 in³ | 1.662e+04 tsp | — |
| 1e+04 in³ | 3.325e+04 tsp | — |
| 4.666e+04 in³ | 1.551e+05 tsp | — |
Converting cubic inch to teaspoon comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using teaspoon, or a laboratory protocol may specify volumes in cubic inch that need to be measured with equipment calibrated in teaspoon.
In everyday use, knowing that 5 in³ = 16.62 tsp and 10 in³ = 33.25 tsp covers most common situations. For bulk calculations, 100 in³ = 332.5 tsp is a useful anchor. The reverse conversion — teaspoon back to cubic inch — uses the factor 0.3008, so 1 tsp = 0.3008 in³.
All conversions use the internationally recognized factor of exactly 1 in³ = 3.325 tsp. Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: Teaspoon = Cubic Inch × 3.3246837
Multiply any cubic inch value by 3.3246837 to get teaspoon. One cubic inch equals 3.3246837 tsp.
Reverse: Cubic Inch = Teaspoon × 0.30078049
1 in³ = 3.3246837 tsp. Memorize this for instant mental estimates.
Use 3.3247 as a quick mental factor. Multiply your cubic inches value by this to estimate teaspoons.
To verify: multiply your result by 0.30078049 to recover the original in³ value.
Compares engine displacements in cubic inches — a Harley Sportster 1200 displaces 73.2 in³.
Calculates material volume for machined parts in cubic inches for cost estimation.
Compares refrigerator and oven interior volumes in cubic inches on US spec sheets.
Determines hydraulic cylinder displacement in cubic inches for legacy US equipment.
Compares compressor capacities in cubic inch displacement for older American systems.
Calculates product and box volumes in cubic inches to optimize pallet stacking.
The cubic inch is the volume of a cube with one-inch sides, equal to exactly 16.387064 mL. It belongs to US customary and British Imperial systems, in practical use since the 17th century.
Cubic inches appear most often in engine displacement for small engines and in precision machining for material volume calculations.
Interesting fact: A standard 12-fluid-ounce US soda can has a volume of about 21.7 cubic inches.
The US teaspoon is exactly one-third of a tablespoon, 4.92892 mL. It was standardized in the US in the early 20th century partly to address inconsistent home medication dosing.
Teaspoons are the smallest standard cooking measure in the US system, used for spices, leaveners, and flavorings. A medical teaspoon dose conventionally means 5 mL.
Interesting fact: The teaspoon is behind one of science's most cited comparisons: the entire Pacific Ocean would fill roughly 7.1 × 10²³ teaspoons.