How long does hair grow on average every month?

I'm a 13 year old girl. I would like to know how long it takes for hair to grow each month. I would like to curl my hair with a flat iron, but sadly my hair is not long enough. It is about 3 inches past my shoulders, I would like the grow it a little longer. I am being a bit impatient though.

How long does it take for hair to grow about 3 inches long? Thank You~! 10 points for best answer.How long does hair grow on average every month?
quarter inch a month..



try not to use flat irons too much as they cause split ends which need to be cut off.. thus preventing your hair growing much..!=]How long does hair grow on average every month?
a qaurter of an inch! So you are looking at 6months!
1cm each month, 12 inches in one year.

3 months to get 3 inches.
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