According to the length converter I use now and then, 15 inches is 38.1 centimeters. Does that help?
Oh and I just used my 12" ruler, which has a second edge marked in centimeters, and 12" is equal to 30 cm, and I added another 3", and it was just under my knee, so your estimation was about right.
Oh and I just used my 12" ruler, which has a second edge marked in centimeters, and 12" is equal to 30 cm, and I added another 3", and it was just under my knee, so your estimation was about right.
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