# How many inches is 3 cm?

**How many inches is 3 cm? **How can you calculate it on your own step by step? Which number is bigger – 3 cm or 1 inch? The answers to all these questions are waiting for you in this article. Keep reading and let us make the topic of how many inches is 3 cm easy for you!

Before we will give you the answer to the main question of the article, we want to show you the basics. It means we will show you what the value of 1 cm in inches is and also how to make a calculation of 3 cm to inches. Then we will show you the comparison of 3 cm and 1 inch too. So as you can see, **we will lead you through the whole process step by step**. So don’t worry – **everything will be clear for you, even if math is not your favorite subject**.

So if you know what to expect, we can move on to the main part of the article. Let’s start!

## 1 cm – how many inches?

The first thing you need to know is how many inches in 1 cm exactly. Without this information, the conversion of 3 cm to inches will be impossible.

**So how many inches is 1 cm?** Let’s check it down below:

1 centimeter = 1/2.54 inches ≈ 0.393700787 inches.

As you can see, the value of 1 centimeter in inches can be quite problematic in an exact form. Not only it is a fraction, but its denominator has 2 decimal places! You just have to admit it is a specific combination.

When it comes to making calculations, a combination like that will make the whole process more complicated. It is totally unnecessary. That’s why we also showed you an approximated result.

Of course, even the approximation is not the easiest number to make a calculation but definitely is so much easier than the fraction with decimals in the denominator.

A little tip – if you don’t need a precise result, you can also round off the approximation, for instance, to 2 decimal places. Then your calculations will be really easy. The approximation will look like this then: 0.39 inches.

In our calculations, we will use the approximation given above, which is 0.393700787 inches. We want to show you as accurate a result as possible.

So let’s see how you can make calculations and get to know how many inches is 3 cm.

## How many inches is 3 cm – calculations step by step

Are you wondering why we told you how many inches in 1 cm? Now everything will be clear. The value which we gave you in the previous part will be our conversion factor. It means we will use it to make a ready-to-use formula.

Have a look at the basic form of the formula:

**The number of centimeters * the conversion factor = the result in inches**

And now look at the ready-to-use formula for cm to inches conversion:

**The number of centimeters * 0.393700787 inches = the result in inches**

And the last one – see how this formula will look for 3 cm to inches conversion:

**3 centimeters * 0.393700787 inches = the result in inches**

So if you know the formula, let’s see the calculations and finally get the answer to the question of how many inches is 3 cm. Check it down below:

3 centimeters * 0.393700787 inches = 1.181102361 inches

As you can see, the result has many decimal places. If you need a really precise result, you can just leave it in this form. But in most cases, it will be totally sufficient to use the rounded-off result, for instance, to 2 decimal places. Then it will be just 1.18 inches. Have a look:

1.181102361 inches ≈ 1.18 inches.

And that’s the answer to the question of how many inches is 3 cm –** there are 1.18 inches in 3 cm**.

Centimeters | Inches |

3 | 1.18 |

## 3 cm or 1 inch – which one is bigger?

And the last issue which we promised to discuss in this article is the comparison of 3 cm and 1 inch. To make it, we will use the knowledge from the part above – it means the value of 3 cm in inches. Then we will compare this result with 1 inch.

So let’s focus – 3 centimeters is equal to 1.18 inches. On the contrary, you have just 1 inch. We think the answer is obvious now – **3 cm is bigger than 1 inch**.

Do you want to know the exact difference between 3 cm and 1 inch? Let’s see it down below:

**1.18 inches (it means 3 centimeters) - 1 inch = 0.18 inches**

So 3 centimeters is 0.18 bigger than 1 inch.

Is this part clear now? We hope so!

### How many inches is 3 cm – summary

We are coming to the end of this article. We told you everything about how many inches is 3 cm, what is the conversion factor of cm to an inch, how to convert 3 cm to inches on your own, and even what is the difference between 3 cm and 1 inch.

In the end, we want to sum up this topic. Down below, we prepared for you 3 points with 3 pieces of information which you need to remember after reading this article. What are they? Have a look:

1 cm is equal to 1/2.54 inches, approximately 0.393700787 inches.

3 cm is equal to 1.18 inches.

3 cm is bigger than 1 inch.

Did you remember all these things? Congrats! If not, don’t worry. We are sure that now you will.

The measurement conversions can be quite interesting, don’t you think? That’s why we prepared a huge compendium about them. Read it and see that any type of measurement conversion can be as simple as 3 cm to inches conversion!