What size flat iron do I need? Decide Wisely

What size flat iron do I need
The size of flat irons truly makes a difference, and for you to choose the right product, you might have to go according to your hair type.

When we think about flat irons, there are a few things to consider. And for me, it’s the heat settings as well as the size of the flat iron. What does the size of the flat iron really mean? With flat irons, you will get the size of the iron according to its length. And choosing the correct length for iron would give you the proper hold. And this is why choosing the correct size matters a lot. Most of the flat irons that come from different companies will accommodate different features. But the most common thing would be the size of the flat irons, and most brands will stay consistent with that.

So the size of the flat irons is something to consider when buying one. And so what size flat iron do I need? You must first consider your hair to get the right size flat iron for your hair. For example, you’ll need to consider the thickness of the hair first. When you have thick and short hair, the size of a flat iron can be up to 112 inches. And when you have wide and long hair (below shoulder length), you can go with a 2-inch-thick flat iron. Curly and coarser hair will meet our thick hair criteria. When you have average hair type and medium thickness, a 1¼ inch flat iron would be perfect.

And for a longer length and medium thickness, go for a 2-inch flat iron. And lastly, we have the thin hair type. For this, go with a 1-inch flat iron. And lastly, for fragile hair, choose a 1½ inch-flat iron. So, what are the different sizes of flat irons? Well, as we mentioned, flat irons are versatile in various sizes. We previously mentioned a half-inch flat iron, but the size of the flat iron can start even lower and comes in a variety of versions. The largest size of the irons is around 3 inches.

But for the standard irons, they’ll be around 1 inch, and most of the flat irons are meant to stay at that length. But when you have longer and thicker hair, you might want to start with a thicker iron. You’ll be able to get closer to the hair and cover more surface area this way. And lastly, there will be better time management. And with small irons, you get to go close with the flat irons and make the baby hairs fall down on the shoulder.

Does the size of the flat iron matter?

Does the size of the flat iron matter

Yes, it does matter, and it really does make a huge difference when it comes to the overall quality of the iron and the hair. For example, when you have thick hair, you might want to go with a longer size, as the smaller sizes will not do justice to the hair. And there are other facts that are directly associated with the flat irons, and that would be the weight of the irons. With the larger sizes, the weight would be high too. And in the end, the overall heat setting will feel too much for the hair. With the straightener’s size, the hair’s overall quality will also vary. With higher terms, the hair will be shiny and sleek.

The flat iron’s width and length are not a mystery; instead, they are a very technical term for the hair, and they are rather fruitful when you get the system correct. With flat irons, the highest width or size would be 3 inches. With the high width and longer length, you get more surface area. So when you work with a small head and very thick hair, you’ll need more time, pressure, and patience.

And on the other hand, with a thick plate, you get more surface area, so there will be more visible space on the flat iron. And to sum it all up, the flat iron tends to make a lot of sense when it’s chosen in the right size. This article will go over how to choose the right size flat iron for your hair and how and why it will work for you. And it’s possible that this is why we’re here talking about flat irons.

The flat irons vary in width and length, and when you have an iron covering the length of the hair, it will most likely cover all of the lengths. But they are generally harder to control because of their length. Because of this, going with shorter flat irons lengths would make a much bigger difference. And there is another thing to consider with longer flat irons: they give long, flattering curls that are not possible with shorter blades.

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How to choose “what size flat iron do I need?”

How to choose what size flat iron do I need

Well, to answer the question, we might have to ask you a few questions, to begin with. And with all the answers, we can sum up the answer to the question you’ve been asking. To get the correct size of flat irons, you might want to start with the questions listed below:

What is the length of your hair?

The flat iron’s width and length will be greater if you have long hair. And if you have shorter hair, you may pass with a shorter straightener. And lastly, with medium-length hair, a medium thickness and length of hair would be the best option.

What is the texture of your hair?

To summarize, there are three types of textures. First, there is thick hair; with this, go with a high thickness for an iron. And for medium-thick hair, use a medium-length, slightly thick flat iron blade. Finally, a small blade may be preferable for thin, frayed hair.

How much time are you willing to spend styling your hair?

If you don’t mind taking a huge amount of time, then the small length would work just fine, and if you want a quick result, then the larger sizes would make more sense.

Do you want curly or straight hair?

If you want curls in your hair, then the length of the hair has to vary. And when you just want straightened hair, then hair texture and length will matter the most.

Now that we’ve answered the questions let us summarize the answers and explain what kind of straightener would make more sense for you. And the explanations are:

  • Fine or thin hair+ any length = 1 to 1½ inches width
  • Normal hair+ short length = 1 to 1¼ inches width.
  • Medium thickness+ short length =1 to 1¼ inches width
  • Medium thickness+ shoulder length =1 to 1½ inches
  • Medium thickness+ long length= 1¼ to 2 inches width
  • Coarse hair+ short length = 1¼ inches of hair.
  • Coarse hair+ medium length = 1½ to 2 inches of width.
  • Coarse hair plus long length = 1½ to 3 inches of hair.

With a medium thickness of hair, we usually assume the normal type of hair. And with the coarse hair texture, we include thicker and curlier hair. So when you have wavy hair, just go with 1 to 2 inches of the flat iron. And when you have tight curls, just go with a 1½ to 3-inch flat iron.

Types of flat iron lengths

Now that we’ve included what kind of flat irons you should go for, let us briefly explain what kind of flat irons would make sense and how you can use these irons according to the flat iron sizes chart.

Small flat irons (½ inches)

Small flat irons inches

These are the most precise flat irons for small hair and are ideal for those with thin, straight hair. It’s great for touch-ups, and you can get very close to the roots. These hair straighteners are ideal for carrying with you on your travels. They take up little space and are lighter. Here are some features of a small flat iron:

  • perfect for tight curls
  • can be used close to the roots without burning the scalp.
  • simple to use and transport
  • will tame the baby hairs
  • Great for instant touch-ups

Standard flat irons (1 inch)

Standard flat irons 1 inch

This is the most common type of flat iron used by almost everyone. When you’re new to hairstyles and go to the market to buy a flat iron, you should really stick to 1-inch flat irons. With coarser hair, you can do the work; you’ll just need high heat settings and extra time. And with thin hair on a 1-inch flat iron, you might want to go with decreased temperatures. Here are some features of the Standard flat irons.

  • It is best to use normal hair.
  • It can be used with slightly wavy hair.
  • Ideal for medium to long hair lengths
  • The majority of brands produce flat irons in standard sizes.
  • Ideal for creating curls and waves.
  • Weighs less than the larger irons.
  • Has a lot of variety

Larger flat iron (1½ to 3 inches)

Larger flat iron 1 to 3 inches

And lastly, we have the larger flat irons. They come with a larger surface area and are perfect for almost every coarse hair type in there. They might have the same hair heat settings, but as they have more surface area, they tend to spread the hair more on their flat surfaces. And thus, there is more heat on the hair. And with this, you get more heat. And even with the usual time for straightening, you will get good results. And this is why these sorts of flat irons are perfect for curly hair types. You can also get very large curls with these flat irons. Here are some features of large flat irons:

  • They are perfect for long and coarse hair.
  • They take the least amount of time.
  • They are heavier than their counterparts.
  • Ideal for straightening curly hair.
  • You can go with larger sections of hair.
  • Has a comfortable grip to it.


1. What size of flat iron for beach waves is used?

The standard flat irons or the 1-inch flat irons would be perfect for the beach waves. They tend to grip the hair perfectly and make very loose curls.

2. What size of a flat iron to cover hair is used?

Any size of flat iron can be used to curl the hair. But the most suitable one would be the 1-inch flat irons. They are easier to grip and tend to hold the hair perfectly.

3. Types of flat iron?

There are different types of flat irons, but mainly the sizes are as follows:
Small flat iron: 0.5 to 0.75 inches
Regular flat irons: 1 to 1.5 inches
Larger flat irons: 1.75 to 3 inches

Final Thoughts

Flat irons are one of the best heat tools to do multiple looks with. You can make the hair curly or just flat and sleek. And you can even do waves with a flat iron. This is like an all-in-one tool; you just have to know how to use the flat iron. When you have mastered the skills of using an iron, the only thing left is to get the perfect flat iron according to your hair type. Without the correct size, you might have to go over and over a section of hair, and it’ll be very time-consuming. And too much effort. So the best thing to do would be to choose the correct flat iron size from the front and go along with it. And if you ask what the ideal size of iron is when you are a professional, we’ll say go for the largest size, and you can just decrease the heat setting for clients with thin hair.

Key Points

  1. The maximum width or size of flat iron is 3 inches. More surface area is obtained by having a wide breadth and a longer length. Working with a small frame and thick hair requires more time, pressure, and patience. On the other hand, a thick plate provides greater surface area, resulting in more visible space on the flat iron.
  2. The breadth and length of flat irons vary, and when you have an iron spanning the length of the hair, it will most likely cover all of the lengths. However, because of their length, they are often more difficult to handle.
  3. If you’re new to hairstyles and want to buy a flat iron, stick to 1-inch flat irons. You can do the work with coarser hair; you’ll just need high heat settings and more time.

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