how many cm's in 1 inch?

it's good Question

1 inch = 2.54 centimeters

1 centimeter = 0.393700787 inch

Answer: There are 2.54 or 2 27/50 cm in an inch.

actually u remember like this

12 inches make 30 centimetres
(standard measurement of a long scale)
in that way 1 inch is 30/12 which is equal to
2.5 also this is only a approximate measurement
but this is taken as a standard one for all general purposes

820 cm = 820 / 2.54 inches = 322.83 inches We know, 1 ft = 12 inches So, 820 cm = 322.83 inches = 322.83 / 12 = 26.90 ft

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RE:
how many cm's in 1 inch?

1 inch = 2.54 centimeters

2.54 A lot of rulers have both cm's and inches

Its (1 inch = 2.54 cm )

I inch = 2.54 cm

1 inch = 2.54 cm