A US liquid quart is one quarter of a US gallon.
Quarts to Metric teaspoons Converter — qt to metric tsp
Convert Quart (qt) to Metric teaspoon (metric tsp) using the exact conversion factor (1 quart = 189.2705892 metric teaspoon). See the formula, worked examples, conversion table, history, and common uses.
Quarts to Metric teaspoons 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 metric teaspoon is 5 milliliters.
Result = input x 0.000946352946 / 5e-6.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Quarts to Metric teaspoons
Quart and Metric teaspoon 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. Quart is most often used for us recipe measurement (larger liquid volumes).
Formula
metric teaspoons = quarts × 189.2705892
This factor comes from each unit's defined relationship to the category's base unit: 1 quart equals 0.000946352946 base units, and 1 metric teaspoon equals 0.000005 base units, so dividing one by the other gives the direct quart-to-metric teaspoon factor of 189.2705892.
Simple example
1 qt × 189.2705892 = 189.2705892 metric tsp
1 quart = 189.2705892 metric teaspoons.
Real-world example
10 qt × 189.2705892 = 1,892.705892 metric tsp
10 quarts = 1,892.705892 metric teaspoons.
Conversion table
| Quart (qt) | Metric teaspoon (metric tsp) |
|---|---|
| 1 qt | 189.2705892 metric tsp |
| 5 qt | 946.352946 metric tsp |
| 10 qt | 1,892.705892 metric tsp |
| 25 qt | 4,731.76473 metric tsp |
| 50 qt | 9,463.52946 metric tsp |
| 100 qt | 18,927.05892 metric tsp |
Reverse conversion: Metric teaspoon to Quart
189.2705892 metric tsp × 0.005283441047 = 1 qt
189.2705892 metric teaspoons = 1 quart.
quarts = metric teaspoons × 0.00528344104716
For a page dedicated to this direction, see Metric teaspoon to Quart.
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.
Understanding the Metric teaspoon (metric tsp)
A metric teaspoon is 5 milliliters.
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 metric teaspoons are in 1 quart?
1 quart equals 189.2705892 metric teaspoons, using the exact defined conversion factor rather than an estimate.
How do I convert quart to metric teaspoon?
Multiply the quart value by 189.2705892. The converter above does this instantly to whatever precision you set.
How do I convert metric teaspoon back to quart?
Use the reverse factor: 1 metric teaspoon equals 0.005283441 quarts. You can also use the swap control in the converter above to flip the direction instantly.
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.
What is a metric teaspoon?
Metric teaspoon (metric tsp) is a unit of volume.
Is the quart to metric teaspoon 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.
Where is the quart still used today?
United States (cooking, dairy, motor oil packaging)