How many inches are there in 1.8 centimetres?

Answer 1

There are 2.54 centimetres in one inch. Therefore, 18 inches is equal to 18 x 2.54 = 45.72 centimetres.
18 inches is 45.72 cm

Algebraic Steps / Dimensional Analysis Formula 18 in*

2.54 cm

1 in

=

45.72 cm

Answer 2

There are 2.54 centimetres in one inch. Therefore, rounded to three decimal places, 1.8 centimetres is equal to 1.8/2.54 = 0.709 inches.