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How Many Bundles for a Full Head Sew In?

How Many Bundles for a Full Head Sew In?

Now that you've selected your ideal style, your next question might be how many bundles do I need to achieve this style? A common question women ask about hair extensions is how many bundles do I need for a full head? To answer your question we first need to analyze the style you are considering. The number of bundles you may need depends on your desired length, because longer hairstyles require more bundles. I can't just give you one answer but different people have different desires.


When choosing a new and natural hairstyle you need to know your budget and hair goals. Bundles are a great option compared to packed hair at the beauty supply store because they last longer, look and feel natural. They also can be colored, permed, washed, and blow-dried along with your natural hair. Beauty supply hair is more affordable but not reusable, they are also more likely to shed, and tangle quickly.

Factors to Consider When Choosing Hair Bundles

Many women have no idea how many bundles they should buy for a full and voluminous look. When choosing hair bundles you need to factor in the length, cut, and size and shape of your head. On average, clients usually buy 3 to 4 bundles for their primary sew-in.


Head Size

Typically the average size of a woman’s head is 22.5”. You can measure your head by using a measuring tape and wrapping it around your head. If your head size is less than average, you can adjust the number of bundles. The larger your head size, the more bundles you will need.


Hair Texture

Curly and straight hair have different densities. Curly and wavy hair is fuller so you may need fewer bundles. You can use 2 to 3 bundles for curly hair and get a natural full look. For straight hair you will need more bundles to create a full look, use 3 to 4 bundles depending on the length of your hair.


Hair Length

The longer your hair, the more bundles you will need. Natural human hair tends to thin out towards the ends which means additional bundles will be needed to make your hair look fuller. If you want more volume, you should purchase more bundles. If you would like a partial sew-in with some of your natural hair left out, you can choose less bundles for added length.

Are 3 Bundles Enough for a Full Head?

3 bundles are usually enough for a full head sew-in. Each bundle weighs around 100 grams which means on average 300 grams are needed for a full sew-in. If you have thick hair, 4 bundles are ideal for a much fuller look.


To sum things up the number of bundles you need depends on how full you want it. You can use 2 to 3 bundles to complete a full sew-in using a closure or frontal. 

Virgin hair is sold by their weight. On average a bundle can weigh between 95 to 115 grams. If you want to be sure about the number of bundles you need for the hairstyle you want, ask your professional hairstylist.