Tablespoons to Teaspoons Converter
Unit ConversionConvert tablespoons to teaspoons: 1 tablespoon equals exactly 3 teaspoons. With a conversion table, the formula and every related volume converter.
Teaspoons
Equivalent volume in teaspoons
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Odeh Ahwal0people find this calculator helpful
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Unit Conversion calculators
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SponsoredThis calculator converts a volume in tablespoons to teaspoons using the exact ratio: multiply the tablespoon value by 3. One US tablespoon is defined as exactly one 256th of a US gallon, and one teaspoon as exactly one 768th of a gallon, so this conversion carries no rounding at all.
This is one of the most common small-measurement conversions in cooking, since recipes routinely call for a fraction of a tablespoon that is easier to measure out with a teaspoon instead, especially for spices, extracts, and leavening agents where precision matters more than with larger quantities.
For the reverse direction, converting teaspoons back into tablespoons, or converting a tablespoon value into cups or milliliters instead, see the related converters below.
Tablespoons to Teaspoons Conversion Table
This table covers common recipe fractions of a tablespoon.
| Tablespoons | Teaspoons |
|---|---|
| 0.25 tbsp | 0.75 tsp |
| 0.5 tbsp | 1.5 tsp |
| 0.75 tbsp | 2.25 tsp |
| 1 tbsp | 3 tsp |
| 1.5 tbsp | 4.5 tsp |
| 2 tbsp | 6 tsp |
| 3 tbsp | 9 tsp |
| 4 tbsp | 12 tsp |
| 8 tbsp | 24 tsp |
The Tablespoons to Teaspoons Formula
To convert tablespoons to teaspoons, multiply the tablespoon value by 3. For example, 2.5 tablespoons times 3 equals 7.5 teaspoons.
To go the other way, use the Teaspoons to Tablespoons converter instead, which divides by 3 for you. For a tablespoon value that needs to become a metric volume, see the Tablespoons to Milliliters converter below.
Why a Tablespoon Equals Exactly 3 Teaspoons
A US teaspoon is defined as exactly 1/3 of a tablespoon, so the 3:1 ratio is a fixed definitional fact rather than a rounded approximation. This holds regardless of the ingredient being measured, since a tablespoon and a teaspoon both describe the same kind of quantity, volume.
A Note on Nutrition-Labeling Rounding
For food-label purposes, the FDA rounds a tablespoon to 15 mL and a teaspoon to 5 mL, both slightly rounder than the exact customary values used throughout this page (14.7868 mL and 4.9289 mL respectively). The 3:1 tablespoon-to-teaspoon ratio holds either way; only the milliliter equivalents differ slightly. For that metric conversion directly, see the Teaspoons to Milliliters converter below.
For a tablespoon of flour, sugar, honey, or butter, the Tablespoons to Grams Converter gives its weight in grams. The Teaspoons to Grams Converter turns teaspoons into grams, using the density of the ingredient you pick. For butter specifically, the Butter Converter moves between sticks, cups, tablespoons, and grams in one step.
Frequently Asked Questions
How many teaspoons is 7 tablespoons?
21 teaspoons.
How many teaspoons is 10 tablespoons?
30 teaspoons.
How many teaspoons is 11 tablespoons?
33 teaspoons.
How many teaspoons is 14 tablespoons?
42 teaspoons.
Is a tablespoon always 3 teaspoons, in every country?
Almost everywhere, yes: a US tablespoon and the 15 mL metric tablespoon (used in the UK too) each hold 3 teaspoons. Australia is the exception: its tablespoon is 20 mL, which is 4 metric teaspoons. This calculator uses the US tablespoon.
Can a tablespoons-to-teaspoons result be negative?
No. A volume can't be below zero, so a negative entry shows a dash instead of a result. A minus sign in front of a value is usually a typing slip.
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