How Many Teaspoons Are in a Tablespoon?
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Conversion Formulas
A teaspoon and tablespoon are nonSI measures of volume, with four different values  US and Imperial Teaspoon and Tablespoon. All four units can be expressed as:
1 US Tablespoon = 0.5 US Fluid Ounce = 14.78675 milliliters
1 Imp Tablespoon = 0.625 Imp Fluid Ounces = 17.7582 milliliters
1 US Teaspoon = 1/6 US Fluid Ounces = 4.92892 milliliters
1 Imp Teaspoon = 0.208333 Imp Fluid Ounces = 5.91939 milliliters
Thus, in order to convert volume given in teaspoons into volume given in tablespoons and vice versa, use these formulas:
V_{(US teaspoon)}= 3 * V_{(US tablespoon)}
V_{(Imp teaspoon)}= 3 * V_{(Imp tablespoon)}
Thus we can write:
V_{(teaspoon)} = 3 * V_{(tablespoon)}
V_{(tablespoon)} = V_{(teaspoon) / 3}
For short, one tablespoon, regardless if it is US or Imperial, contains 3 teaspoons. Or one teaspoon contains 1/3 of a tablespoon.
Conversion Examples
If You have 18 tablespoons (US/Imp), how many teaspoons is that:
V_{(tablespoons)}= V_{(teaspoon)} / 3 = 18 / 3 = 6 tablespoons
Teaspoons to Tablespoons and Tablespoons to Teaspoons Conversion Calculator
In order to convert teaspoons to tablespoons and tablespoons to teaspoons, feel free to use this conversion calculator  write the value that You have and click 'Calculate' to convert it:
Teaspoons to Tablespoons 
Teaspoons: Tablespoons: 
Tablespoons to Teaspoons 
Tablespoons: Teaspoons: 
Teaspoons to Tablespoons and Tablespoons to Teaspoons Conversion Charts
Here are some teaspoons to tablespoons and tablespoons to teaspoons quick conversion charts to aid You with units' conversions:


For more values, please, use the conversion calculators.