21 Tablespoons to Teaspoons – Easy Conversion Explained

21 tablespoons is equal to 63 teaspoons.

This conversion is done by multiplying the number of tablespoons by 3, because each tablespoon contains 3 teaspoons. So, 21 tablespoons times 3 teaspoons per tablespoon gives 63 teaspoons.

Conversion Tool

Conversion Formula

The formula to convert tablespoons to teaspoons is simple: multiply the number of tablespoons by 3. This works because one tablespoon equals exactly three teaspoons, so to find how many teaspoons are in any amount of tablespoons you multiply by 3.

Formula:
Teaspoons = Tablespoons × 3

Example: If you have 21 tablespoons, multiply 21 by 3.
Step 1: 21 × 3 = 63
So, 21 tablespoons equals 63 teaspoons.

Conversion Example

• Convert 5 tablespoons to teaspoons:
  • Multiply 5 by 3
  • 5 × 3 = 15
  • Therefore, 5 tablespoons equal 15 teaspoons
• Convert 10 tablespoons to teaspoons:
  • Multiply 10 by 3
  • 10 × 3 = 30
  • So, 10 tablespoons is 30 teaspoons
• Convert 3.5 tablespoons to teaspoons:
  • Multiply 3.5 by 3
  • 3.5 × 3 = 10.5
  • Thus, 3.5 tablespoons is 10.5 teaspoons
• Convert 12 tablespoons to teaspoons:
  • Multiply 12 by 3
  • 12 × 3 = 36
  • Hence, 12 tablespoons equals 36 teaspoons

Conversion Chart

This chart shows the equivalent teaspoons for tablespoons ranging from -4.0 to 46.0. Negative values might be unusual but useful in some calculations. To use, find the tablespoon value in the first column then read across to see teaspoons.

Related Conversion Questions

• How many teaspoons are in 21 tablespoons exactly?
• What is 21 tablespoons converted to teaspoons for baking?
• How do I convert 21 tablespoons into teaspoons quickly?
• Is 21 tablespoons the same as 63 teaspoons?
• What’s the formula to change 21 tablespoons into teaspoons?
• How many teaspoons do I get if I have 21 tablespoons?
• Can 21 tablespoons be measured as teaspoons in cooking?

Conversion Definitions

Tablespoons: A tablespoon is a unit of volume measurement used in cooking and nutrition. It is equal to three teaspoons or one-half fluid ounce. Tablespoons are used to measure both liquid and dry ingredients, providing a practical size for various recipes and food portions.

Teaspoons: A teaspoon is a smaller unit of volume commonly used in cooking, equal to one-third of a tablespoon or one-sixth of a fluid ounce. It’s often used to measure small quantities of ingredients like spices, baking powder, or liquids to ensure precision in recipes.

Conversion FAQs

Can tablespoons and teaspoons be used interchangeably in recipes?

No, tablespoons and teaspoons are different sizes, with one tablespoon equal to three teaspoons. Using them interchangeably without conversion can cause incorrect ingredient amounts, affecting the taste and texture of a dish.

Why do some recipes list tablespoons instead of teaspoons?

Tablespoons are used in recipes when larger quantities of an ingredient are required. Measuring in tablespoons reduces the number of spoonfuls needed, making the process faster and less prone to error compared to counting multiple teaspoons.

Is the conversion between tablespoons and teaspoons the same worldwide?

Mostly, yes. The US customary system defines one tablespoon as exactly three teaspoons. However, some countries may have slight variations in measurement sizes based on their measurement standards, but these differences are very small and rarely affect cooking results.

How can I measure 21 tablespoons if I only have teaspoons?

Since one tablespoon equals three teaspoons, multiply 21 by 3 to get 63 teaspoons. You can use a teaspoon to measure out 63 times, or use larger measuring tools to make the process easier.

Are there any tools to convert tablespoons to teaspoons automatically?

Yes, there are many online calculators and conversion tools that lets you input tablespoons and get teaspoons instantly. Some kitchen gadgets and apps also include measurement converters to make cooking easier.

Last Updated : 03 July, 2025

Sandeep Bhandari

Sandeep Bhandari holds a Bachelor of Engineering in Computers from Thapar University (2006). He has 20 years of experience in the technology field. He has a keen interest in various technical fields, including database systems, computer networks, and programming. You can read more about him on his bio page.