Convert Teaspoons to Cubic Inches
Convert Teaspoons (tsp) to Cubic Inches (in³) instantly and accurately.
Conversion Formula
in³ = tsp × 0.30078125
About Teaspoons
A teaspoon (tsp) is a US customary and cooking measurement unit equal to 1/3 of a tablespoon - approximately 4.929 mL. It is fundamental to cooking and baking worldwide: nearly every recipe in US-published cookbooks uses teaspoons as the basic small measurement for spices, baking powder, vanilla, and other minor ingredients. In medicine, over-the-counter liquid medications (especially children's doses) are measured in teaspoons, with 5 mL the standard metric equivalent used on US medication labels. Three teaspoons make one tablespoon, and six teaspoons make one fluid ounce.
About Cubic Inches
A cubic inch (in³) is the volume of a cube with sides of one inch (25.4 mm), equal to approximately 16.387 mL. It is widely used in US engineering and manufacturing - engine displacement was traditionally described in cubic inches (a 350 in³ V8 engine displaces 5.7 liters), and product specifications for items sold in the US frequently reference cubic inches. Speaker cabinet volumes, wine bottle capacities in older US standards, refrigerator compartment sizes, and box shipping calculations in imperial units all use cubic inches. One liter equals approximately 61.024 cubic inches.
Quick Reference Table
| Teaspoons (tsp) | Cubic Inches (in³) |
|---|---|
| 1 tsp | 0.300781 in³ |
| 2 tsp | 0.601563 in³ |
| 5 tsp | 1.50391 in³ |
| 10 tsp | 3.00781 in³ |
| 25 tsp | 7.51953 in³ |
| 50 tsp | 15.0391 in³ |
| 100 tsp | 30.0781 in³ |