30 centimeters is equal to 12 inches or one foot. It is the exact measure of a standard school ruler. Therefore, it can be easy to determine the length of 30 centimeters when you have a ruler at hand. However, knowing what other things are about 30 centimeters long will help when you don’t have a ruler.

Also, it is fun to know the measure of things. It can be some weird talent you show off every once in a while. For example, when your friends ask an interesting unknown thing about you.

You can say that you know the measure of things. In this article, you will find out things 30 centimeters long.

## 1. 2 Liter Soda Bottle

Did you know that Coca-Cola was once free? Salespeople would give out coupons, and once people tasted the soft drink, they came back for more and would pay up to 5 cents a glass.

Also, the original Coca-Cola bottle was shaped like a cacao bean. Later on, bigger bottles were used and eventually the famous 2 Liter bottle.

A 2L soda bottle measures exactly 30 centimeters long. If you place a ruler vertically next to a 2-liter bottle, you will find that they are the same length.

## 2. 2 Hotdogs

Do you know where the name hotdog originates from? When German immigrants came to America, they came with dachshund sausages. They also came with dachshund dogs that were long and thin. Then the name Hotdog started as a joke about the small, long, and thin dogs the Germans brought.

Hotdogs are today very popular in the USA, and you can find one a foot long like the famous Subway foot long. However, standard hotdogs are about 6 inches or 15 centimeters long. Therefore, two of these would make 12 inches or 30 centimeters.

## 3. Toaster Oven

The original toaster oven was called El Tosto, a cute name. Toaster ovens are quite popular in the US, with a standard family spending 35 hours a year toasting. Moreover, 75 million people eat toast every day. Some toaster ovens can be used as small ovens, but others can only toast bread.

The standard size of toaster ovens is just about a foot or 30 centimeters long. You could take a ruler and measure the length of your toaster oven. It is just about the size of the ruler, which is why they are convenient.

## 4. 2 Dollar Bills

Did you know that there are 38 million notes made every day? That amounts to about 541 million dollars a day. However, that doesn’t mean that there are 541 million dollars more in circulation every day. 95% of the bills printed are to replace those already in circulation.

A dollar bill measures exactly 6 inches or 15 centimeters in length. Therefore, a dollar bill should be your go-to measure if you don’t have a ruler. Two dollar-bills lengthwise make exactly 30 centimeters.

## 5. Loaf Pan

To celebrate the Guinness World Book of Records in 2008, Joaquin Goncalves made the largest loaf of bread in the world. It weighed 1571 kilograms or 3463 pounds. The longest loaf of bread was 3975 feet long and was made in Portugal.

However, a standard loaf pan and consequently a loaf of bread is exactly 12 inches or one foot long. That is approximately 30 centimeters in length.

## 6. 2 Chef Knives

A young girl was expelled from school for having a dangerous weapon. Her grandmother sent a cake and a knife to cut the cake to school. The teacher then used the knife to cut the cake but later reported the girl having a dangerous weapon in school.

A chef’s knife is one of their most treasured possessions. If you ask a chef, they’ll tell you that they cannot do without it. It measures just about 6 inches or 15 centimeters in length. Therefore, two chef knives would make exactly 30 centimeters or one foot.

## 7. Size 14 Men’s Shoe

According to Guinness, the largest shoe in the world measures 20 feet long. That was not made for a human to wear unless they were a giant. The shoe was made to celebrate the launch of Superga in Hong Kong. It was made as a replica of the Superga 2750.

Most men’s shoes are about size 10 to 14. A size 14 men’s shoe measures about a foot long. That is considered the standard foot size, about 30 centimeters long.

## 8. 4 Credit Cards

There are numerous credit cards in the world. They would span the earth almost four times when arranged in a line. In 2017, there were 1.65 million cards in circulation. Putting these cards end to end, with each measuring 3.37 inches, will cover a distance that would go around the world exactly three and a half times.

The length of a credit card is 3.37 inches. Therefore, four credit cards placed end to end would make about 12 inches or 30 centimeters.

## 9. 2 Toothbrushes

Did you know that originally toothbrush bristles were made using cow hairs? But no need to worry, the one you use is most likely made using nylon bristles. Also, the average person will spend 38 days brushing their teeth in their lifetime.

Toothbrushes come in different sizes, but the average one measures about 6 inches or 15 centimeters long. Therefore, two toothbrushes placed end to end will make 30 centimeters.

With that said, 30 centimeters is a common length. As you can see, you will find many things in the kitchen that measure just about 30 centimeters in length. Therefore, the next time you don’t have a ruler at hand, why not use dollar bills or credit cards to measure?

The dimension of stuff has been an interest of mine ever since I was a child. What I believe is most fascinating about the dimension of stuff is how extremely long, tall and wide some objects are both on earth and in the universe.