A metric teaspoon is 5 milliliters.
Metric teaspoons to Cubic inches Converter — metric tsp to in3
Convert Metric teaspoon (metric tsp) to Cubic inch (in3) using the exact conversion factor (1 metric teaspoon = 0.3051187205 cubic inch). See the formula, worked examples, and conversion table.
Metric teaspoons to Cubic inches converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
A cubic inch is the volume of a one-inch cube.
Result = input x 5e-6 / 1.6387064e-5.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Metric teaspoons to Cubic inches
Metric teaspoon and Cubic inch appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Specifically: A metric teaspoon is 5 milliliters, and a cubic inch is the volume of a one-inch cube.
Formula
cubic inches = metric teaspoons × 0.305118720474
This factor comes from each unit's defined relationship to the category's base unit: 1 metric teaspoon equals 0.000005 base units, and 1 cubic inch equals 0.000016387064 base units, so dividing one by the other gives the direct metric teaspoon-to-cubic inch factor of 0.305118720474.
Simple example
1 metric tsp × 0.3051187205 = 0.3051187205 in3
1 metric teaspoon = 0.3051187205 cubic inches.
Real-world example
10 metric tsp × 0.3051187205 = 3.051187205 in3
10 metric teaspoons = 3.051187205 cubic inches.
Conversion table
| Metric teaspoon (metric tsp) | Cubic inch (in3) |
|---|---|
| 1 metric tsp | 0.3051187205 in3 |
| 5 metric tsp | 1.525593602 in3 |
| 10 metric tsp | 3.051187205 in3 |
| 25 metric tsp | 7.627968012 in3 |
| 50 metric tsp | 15.25593602 in3 |
| 100 metric tsp | 30.51187205 in3 |
Reverse conversion: Cubic inch to Metric teaspoon
0.3051187205 in3 × 3.2774128 = 1 metric tsp
0.3051187205 cubic inches = 1 metric teaspoons.
metric teaspoons = cubic inches × 3.2774128
For a page dedicated to this direction, see Cubic inch to Metric teaspoon.
Understanding the Metric teaspoon (metric tsp)
A metric teaspoon is 5 milliliters.
Understanding the Cubic inch (in3)
A cubic inch is the volume of a one-inch cube.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic inches are in 1 metric teaspoon?
1 metric teaspoon equals 0.3051187205 cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert metric teaspoon to cubic inch?
Multiply the metric teaspoon value by 0.3051187205. The converter above does this instantly to whatever precision you set.
How do I convert cubic inch back to metric teaspoon?
Use the reverse factor: 1 cubic inch equals 3.2774128 metric teaspoons. You can also use the swap control in the converter above to flip the direction instantly.
What is a metric teaspoon?
Metric teaspoon (metric tsp) is a unit of volume.
What is a cubic inch?
Cubic inch (in3) is a unit of volume.
Is the metric teaspoon to cubic inch conversion exact?
Yes. Both metric teaspoon and cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 0.3051187205 used above is exact to as many digits as you choose to display.