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Volume
Teaspoons to Quarts
Convert teaspoons (tsp) to quarts (qt). Type a value below to see the result update instantly. Reference table and formula included.
Calculator
1 tsp = 0.005208 qt
Teaspoons to Quarts Conversion Table
Common values, ready to copy:
| teaspoons | quarts |
|---|---|
| 1 tsp | 0.005208 qt |
| 2 tsp | 0.010417 qt |
| 5 tsp | 0.026042 qt |
| 10 tsp | 0.052083 qt |
| 25 tsp | 0.130208 qt |
| 50 tsp | 0.260417 qt |
| 100 tsp | 0.520833 qt |
| 1,000 tsp | 5.2083 qt |
Formula
quarts = teaspoons × 5.20833135e-3
Volume conversions use US customary measure (the cup, fluid ounce, and gallon are US definitions, not imperial). 1 US cup = 236.588 mL, 1 US gallon = 3.785411784 L.
About Teaspoons and Quarts
Teaspoons (tsp): Standardized at about 5 mL for cooking purposes; US legal definition is exactly 4.92892 mL, but international cooking convention uses 5 mL even in the US. Common uses: Small cooking measurements (spices, baking powder, vanilla extract), liquid medication dosing for adults (often 1 or 2 teaspoons = 5 or 10 mL).
Quarts (qt): Two pints, or one quarter of a gallon (the name comes from this — 'quart' from 'quarter'); the US quart is 946 mL, UK imperial quart 1,136 mL. Common uses: Milk and juice container sizes in the US, motor oil, and large cooking measurements (stocks, broths).
How the conversion works
Volume conversions use US customary measure (the cup, fluid ounce, and gallon are US definitions, not imperial). 1 US cup = 236.588 mL, 1 US gallon = 3.785411784 L.
The exact relationship is quarts = teaspoons × 5.20833135e-3, which the calculator at the top of this page applies in both directions. Type into either field and the other updates immediately.
When this conversion matters
Converting between teaspoons and quarts comes up wherever volume measurements move between systems — from one country's conventions to another's, from a scientific reference to a practical specification, or from one industry's working unit to another's. The calculator and reference table above cover the everyday range; for unusual values you can type any number into either field.