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Dimes – Definition With Examples

Jessica Kaminski

reviewed by Jo-ann Caballes

Updated on August 4, 2026

A dime is a United States coin worth 10 cents, or one-tenth of a dollar ($0.10). It is the smallest U.S. coin in circulation in both diameter and thickness, even though it is worth more than the larger penny and nickel. Ten dimes make one dollar.

Counting coins and converting between them is one of the first real-world math skills kids learn. Brighterly’s elementary math tutors make money math click with hands-on practice.

What Is a Dime?

A dime is a U.S. coin equal to 10 cents. The word comes from the Latin decimus, meaning “a tenth part,” which reflects its value of one-tenth of a dollar. The dime was authorized by the Coinage Act of 1792 and first struck for circulation in 1796. Its small size makes it easy to recognize among U.S. coins.

How Does a Dime Compare to a Nickel?

A dime is worth 10 cents, while a nickel is worth 5 cents — so a dime is worth two nickels. Interestingly, the nickel is physically larger and thicker than the dime, even though the dime has the greater value. This is a great example of how a coin’s size does not determine its worth.

How Does a Dime Compare to a Penny?

A dime is worth 10 pennies, because a penny equals 1 cent and a dime equals 10 cents. The penny is often the first coin children learn about, and comparing it to the dime makes the 1-to-10 relationship easy to see. Exploring this alongside other money concepts helps kids build a full picture of U.S. currency.

How Many Dimes Make a Dollar?

Ten dimes make one dollar. The math is simple: one dime is 10 cents, so 10 dimes equal 100 cents, and 100 cents equal one dollar. This clean 1-to-10 relationship is one reason dimes are so useful for teaching place value and decimals alongside money.

U.S. Coin Values Chart

Comparing the four most common U.S. coins side by side makes their values easy to remember. The chart below lists each coin’s worth in cents and in dollars.

How to Count Money With Dimes

Because each dime is worth 10 cents, you count dimes by tens: 10, 20, 30, 40, and so on. This makes dimes one of the easiest coins for practicing skip-counting. To count a mix of coins, add the dimes by tens first, then add any nickels (by fives) and pennies (by ones).

1. Count the dimes by tens: one dime is 10¢, two dimes are 20¢, three dimes are 30¢.
2. Add any nickels next, counting by fives.
3. Add any pennies last, counting by ones.
4. Example: 3 dimes + 1 nickel + 2 pennies = 30¢ + 5¢ + 2¢ = 37¢.

Money Around the World

Different countries use different currencies. In the United States, people use dollars and cents, while India uses the rupee, China uses the yuan, and the United Kingdom uses the pound. Most countries in the European Union use the euro. Coins like the dime are simply the U.S. way of dividing a dollar into smaller parts.

Dime Practice Problems

Money Worksheets

Put this into practice with related Brighterly worksheets:

• Counting money worksheets
• Identify coins worksheets
• Counting coins worksheets
• Money worksheets (1st grade)

Frequently Asked Questions About Dimes

How Much Is a Dime Worth?

A dime is worth 10 cents, which is one-tenth of a U.S. dollar ($0.10). It is worth the same as two nickels or ten pennies. Even though the dime is the smallest U.S. coin in size, it is worth more than both the penny and the nickel, which are physically larger.

How Many Dimes Make a Dollar?

Ten dimes make one dollar. Since each dime is worth 10 cents, ten dimes total 100 cents, and 100 cents equal one dollar. This 1-to-10 relationship makes dimes a convenient way to teach how a dollar breaks into equal parts and how money connects to place value.

Which Is Bigger, a Nickel or a Dime?

A nickel is physically bigger and thicker than a dime, but a dime is worth more. A nickel equals 5 cents while a dime equals 10 cents. This is a common point of confusion for young learners, because they often expect the larger coin to be worth more money.

How Many Pennies Are in a Dime?

There are 10 pennies in a dime. A penny is worth 1 cent and a dime is worth 10 cents, so it takes ten pennies to equal one dime. This makes dimes helpful for practicing counting by tens and for understanding how smaller coins add up to larger values.

Why Is the Dime the Smallest U.S. Coin?

The dime is the smallest U.S. coin in both diameter and thickness for historical reasons tied to its original silver content. Its size is not related to its value — the dime is worth more than the larger penny and nickel. Coin size and coin value are set separately, which is why they do not always match.

Jessica Kaminski

84 articles

Jessica is a seasoned math tutor with over a decade of experience in the field. With a BSc and Master’s degree in Mathematics, she enjoys nurturing math geniuses, regardless of their age, grade, and skills. Apart from tutoring, Jessica blogs at Brighterly. She also has experience in child psychology, homeschooling and curriculum consultation for schools and EdTech websites.