tbsp to tsp Converter

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Convert tablespoons to teaspoons using the US-standard relation 1 tbsp = 3 tsp. 2 tbsp = 6 tsp = 1 fl oz; 4 tbsp = 12 tsp = 1/4 cup; 16 tbsp = 48 tsp = 1 cup. Practical for recipe scaling — when you double a recipe written in tbsp but only have a teaspoon to measure, this converter gives the exact tsp count. Browser-local.

Tablespoon (tbsp)
Teaspoon (tsp)

Tablespoon (tbsp) → Teaspoon (tsp)

Quick reference table

Tablespoon (tbsp)Teaspoon (tsp)
1 tbsp3 tsp
2 tbsp6 tsp
5 tbsp15 tsp
10 tbsp30 tsp
25 tbsp75 tsp
50 tbsp150 tsp
100 tbsp300 tsp

Glossary

Tablespoon (tbsp)

A tablespoon is a cooking volume measure equal to 3 teaspoons or about 14.79 ml. The US standard tablespoon is the dominant convention in modern recipes; the UK tablespoon (≈17.76 ml) and the Australian tablespoon (20 ml) differ but are rarely used in international recipes. Sixteen tablespoons make one US cup; two tablespoons make one US fluid ounce.

Teaspoon (tsp)

A teaspoon is a cooking volume measure equal to 1/3 of a US tablespoon, or about 4.93 ml. Modern recipes worldwide use this US-standard 5 ml teaspoon; older British and Australian cookbooks may differ slightly. Three teaspoons make one tablespoon; 48 teaspoons make one US cup; six teaspoons make one US fluid ounce.

Metric / SI volume

In the metric system, volume is reported in liters (everyday) or cubic meters (industrial), with millilters for fine resolution. The relations are exact powers of ten: 1 m³ = 1,000 L = 1,000,000 ml, and 1 ml = 1 cm³. The metric system is the standard worldwide for science, beverages, fuel in metric countries, and most modern recipes outside the United States.

Imperial / US Customary volume

US customary and UK imperial systems both use gallon, quart, pint and fluid ounce — but with different sizes. The US gallon is 3.785 L (128 US fl oz); the UK imperial gallon is 4.546 L (160 UK fl oz). Cooking units (tsp = 4.93 ml, tbsp = 14.79 ml, cup = 240 ml) follow the US standard in nearly all modern English-language recipes.

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