US teaspoons: conversions & definition
This tool uses a US customary teaspoon: 4.92892159375 mL. A metric recipe teaspoon of 5 mL is a different definition.
Choose the unit you need
Each row converts one US tsp. Open a converter to enter any value and see its formula, worked example and reference table. Results below are rounded to 10 significant digits.
| Convert to | Equivalent value | Calculator |
|---|---|---|
| Milliliters (mL) | ≈ 4.928921594 | Convert US tsp to mL |
| Liters (L) | ≈ 0.004928921594 | Convert US tsp to L |
| US tablespoons (US tbsp) | ≈ 0.3333333333 | Convert US tsp to US tbsp |
| US cups (US cup) | ≈ 0.02083333333 | Convert US tsp to US cup |
| US fluid ounces (US fl oz) | ≈ 0.1666666667 | Convert US tsp to US fl oz |
| US gallons (US gal) | ≈ 0.001302083333 | Convert US tsp to US gal |
| Imperial gallons (Imp gal) | ≈ 0.001084211178 | Convert US tsp to Imp gal |
Keep the quantity consistent
Choose units that represent the same quantity and preserve the measurement conditions. A scale conversion changes the number and unit together; it does not change the physical amount or improve the accuracy of your measurement.
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