A metric teaspoon is 5 milliliters.
Metric teaspoons to Imperial quarts Converter — metric tsp to imp qt
Convert Metric teaspoon (metric tsp) to Imperial quart (imp qt) using the exact conversion factor (1 metric teaspoon = 0.004399385 imperial quart). See the formula, worked examples, conversion table, history, and common uses.
Metric teaspoons to Imperial quarts 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.
An imperial quart is one quarter of an imperial gallon.
Result = input x 5e-6 / 0.0011365225.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Metric teaspoons to Imperial quarts
Metric teaspoon and Imperial quart 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 an imperial quart is one quarter of an imperial gallon.
Formula
imperial quarts = metric teaspoons × 0.00439938496598
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 imperial quart equals 0.0011365225 base units, so dividing one by the other gives the direct metric teaspoon-to-imperial quart factor of 0.00439938496598.
Simple example
1 metric tsp × 0.004399384966 = 0.004399385 imp qt
1 metric teaspoon = 0.004399385 imperial quarts.
Real-world example
10 metric tsp × 0.004399384966 = 0.0439938497 imp qt
10 metric teaspoons = 0.0439938497 imperial quarts.
Conversion table
| Metric teaspoon (metric tsp) | Imperial quart (imp qt) |
|---|---|
| 1 metric tsp | 0.004399385 imp qt |
| 5 metric tsp | 0.0219969248 imp qt |
| 10 metric tsp | 0.0439938497 imp qt |
| 25 metric tsp | 0.1099846241 imp qt |
| 50 metric tsp | 0.2199692483 imp qt |
| 100 metric tsp | 0.4399384966 imp qt |
Reverse conversion: Imperial quart to Metric teaspoon
0.004399385 imp qt × 227.3045 = 1.000000008 metric tsp
0.004399385 imperial quarts = 1.000000008 metric teaspoons.
metric teaspoons = imperial quarts × 227.3045
For a page dedicated to this direction, see Imperial quart to Metric teaspoon.
Understanding the Metric teaspoon (metric tsp)
A metric teaspoon is 5 milliliters.
Understanding the Imperial quart
Imperial quart (imp qt) measures volume. The imperial quart is one-quarter of an imperial gallon: exactly 1.1365225 liters. It is classified as a UK/imperial customary unit.
Where it's used: United Kingdom and Commonwealth countries (historically)
Imperial quart vs. US quart. Like the gallon and pint, the imperial quart is about 20% larger than the US quart, following from Britain's 1824 gallon redefinition.
Uses of the Imperial quart today
- UK/Commonwealth liquid measurement in historical or specialized contexts
History of the Imperial quart
The imperial quart follows directly from the 1824 imperial gallon as one-quarter of it, part of the same UK standardization that diverged from the US gallon system.
Historical origin. Imperial quart was not the invention of a single named person; it developed through the process described above.
Imperial quart — sources
- UK Weights and Measures Act 1824 — Basis for the imperial quart via the imperial gallon.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many imperial quarts are in 1 metric teaspoon?
1 metric teaspoon equals 0.004399385 imperial quarts, using the exact defined conversion factor rather than an estimate.
How do I convert metric teaspoon to imperial quart?
Multiply the metric teaspoon value by 0.004399384966. The converter above does this instantly to whatever precision you set.
How do I convert imperial quart back to metric teaspoon?
Use the reverse factor: 1 imperial quart equals 227.3045 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 imperial quart?
Imperial quart (imp qt) measures volume. The imperial quart is one-quarter of an imperial gallon: exactly 1.1365225 liters. It is classified as a UK/imperial customary unit.
Is the metric teaspoon to imperial quart conversion exact?
Yes. The imperial quart is one-quarter of an imperial gallon: exactly 1.1365225 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.
What is the difference between imperial quart vs. us quart?
Like the gallon and pint, the imperial quart is about 20% larger than the US quart, following from Britain's 1824 gallon redefinition.