A metric teaspoon is 5 milliliters.
Metric teaspoons to Quarts Converter — metric tsp to qt
Convert Metric teaspoon (metric tsp) to Quart (qt) using the exact conversion factor (1 metric teaspoon = 0.005283441 quart). See the formula, worked examples, conversion table, history, and common uses.
Metric teaspoons to Quarts converter
Converter
Cooking Converter
Convert cooking volume and mass units used in recipes and nutrition workflows.
Context values
Some unit families need one extra value for a physically accurate result.
A US liquid quart is one quarter of a US gallon.
Result = input x 5e-6 / 0.000946352946.
Volume units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Metric teaspoons to Quarts
Metric teaspoon and Quart both show up in recipes, and converting between them matters whenever a recipe from one country's cookbook needs to be followed with another country's measuring tools. Specifically: A metric teaspoon is 5 milliliters, and a US liquid quart is one quarter of a US gallon.
Formula
quarts = metric teaspoons × 0.00528344104716
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 quart equals 0.000946352946 base units, so dividing one by the other gives the direct metric teaspoon-to-quart factor of 0.00528344104716.
Simple example
1 metric tsp × 0.005283441047 = 0.005283441 qt
1 metric teaspoon = 0.005283441 quarts.
Real-world example
2 metric tsp × 0.005283441047 = 0.0105668821 qt
2 metric teaspoons = 0.0105668821 quarts.
Conversion table
| Metric teaspoon (metric tsp) | Quart (qt) |
|---|---|
| 0.25 metric tsp | 0.0013208603 qt |
| 0.5 metric tsp | 0.0026417205 qt |
| 1 metric tsp | 0.005283441 qt |
| 2 metric tsp | 0.0105668821 qt |
| 4 metric tsp | 0.0211337642 qt |
| 8 metric tsp | 0.0422675284 qt |
Reverse conversion: Quart to Metric teaspoon
0.005283441 qt × 189.2705892 = 0.9999999911 metric tsp
0.005283441 quarts = 0.9999999911 metric teaspoons.
metric teaspoons = quarts × 189.2705892
For a page dedicated to this direction, see Quart to Metric teaspoon.
Understanding the Metric teaspoon (metric tsp)
A metric teaspoon is 5 milliliters.
Understanding the Quart
Quart (qt) measures volume. The US liquid quart is exactly one-quarter of a US gallon: 0.946352946 liters. It is classified as a US customary unit.
Where it's used: United States (cooking, dairy, motor oil packaging)
Uses of the Quart today
- US recipe measurement (larger liquid volumes)
- US motor oil and automotive fluid packaging
- US dairy and beverage packaging (quart containers)
History of the Quart
The quart ('quarter' of a gallon) follows the same English wine-gallon lineage as the US gallon, retained by the US after England moved to a different imperial standard in 1824.
Historical origin. Quart was not the invention of a single named person; it developed through the process described above.
Quart — sources
- NIST Handbook 44, Appendix C — General tables of units including the US quart definition.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many quarts are in 1 metric teaspoon?
1 metric teaspoon equals 0.005283441 quarts, using the exact defined conversion factor rather than an estimate.
How do I convert metric teaspoon to quart?
Multiply the metric teaspoon value by 0.005283441047. The converter above does this instantly to whatever precision you set.
How do I convert quart back to metric teaspoon?
Use the reverse factor: 1 quart equals 189.2705892 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 cooking.
What is a quart?
Quart (qt) measures volume. The US liquid quart is exactly one-quarter of a US gallon: 0.946352946 liters. It is classified as a US customary unit.
Is the metric teaspoon to quart conversion exact?
Yes. The US liquid quart is exactly one-quarter of a US gallon: 0.946352946 liters. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.