Created by Alexa Ruiz Show
Reviewed by Hanna Pamuła, PhD candidate and Jack Bowater Last updated: Oct 07, 2022 Welcome to the hair growth calculator, here to help you answer the question "How much longer will my hair be in 2, 10 or 20 months from now?" or maybe "How fast does hair grow?" Even better, you'll learn about the stages of the hair growth cycle and exactly what factors influence hair growth. Hair growth cycleThe concept of hair seems simple: it grows, it sheds (yes, your [dog] isn't the only one in the house who gets hair everywhere). Actually, hair growth is way more complicated than that. Hair does not grow continuously but rather in cycles. At any given time, a random number of hairs can be in any one of the three stages of the hair growth cycle, unlike our other mammalian friends whose cycles are seasonal or cyclical. These stages are known as anagen, catagen, and telogen.
What factors influence hair growth?Now that you know all about the hair growth cycle, it's time to find out exactly what factors influence hair growth:
How fast does hair grow? The formula behind hair growth calculatorThe average hair growth rate is 0.5 inches per month, so growth in inches per month can be calculated according to the following equation: How to use the hair growth calculatorTo use the hair growth calculator:
See also ##Apart from the hair growth calculator, we have a bunch of tools (not only for a bad hair day):
FAQWhat is the difference between curly hair and straight hair?There are two main differences between curly hair and straight hair: the hair shafts and the texture. The follicle of straight hair has a circular shape, while curly hair grows out of a more oval-shaped follicle. The texture of hair depends on the cuticle, which is the hard covering of the hair. In straight hair, the scales that make up the cuticle lie flat, making the surface more smooth and shiny. These scales do not lie as flat in curly hair making curly hair look and feel a bit rougher but also giving it more volume. How much hair are we born with?People are born with around 5 million hair follicles. About 100,000 of these hair follicles are on the scalp. Why do we get gray hair?Your hair follicles have cells (called pigment cells) that make melanin, a chemical that gives your hair (and eyes and skin) color. As you get older, these pigment cells die. Fewer pigment cells result in lighter hair growing in various shades of gray, silver, and eventually white. Why do we have hair in the first place?Hair has several purposes depending on the location. The hair on our scalp protects us from the sun, while our eyelash, eyebrow, and nose hairs protect us from bugs, dust, and other irritants. Hair is also an excellent insulator, and it can extend our sense of touch so that we can "feel" something even before it directly touches our skin. Scientists also believe it serves a social communication purpose. Bath vs showerBeauty productsCoronavirus Mask Calculator… 4 more How much will a hair grow in 4 months?On average, hair tends to grow between 0.5 and 1.7 centimeters per month. This is equivalent to around 0.2 to 0.7 inches.
Is 4 months enough to grow hair?There is a 4-6 month wait before new hair grows after hair transplants or pharmaceutical treatment for hair loss. This is because the hair follicles have to shift from a resting stage to a growing stage. The new hairs also have to grow out long enough so that they are noticable. All of this takes some time.
How long will hair grow in 6 months?According to the American Academy of Dermatology, your hair grows at a rate of approximately six inches per year, or about half an inch per month. This means that over the course of six months, you can expect the hair on your head to grow by approximately three inches.
Can I grow 4 inches of hair in a month?No, unfortunately it probably will not happen even if you took really good care of your hair. Your hair can grow fast but most likely at an average it probably only grows 1/2 and omaha month. Just take good care of your hair and it will get there in no time!
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