Conversion formula

The conversion factor from centimeters to inches is 0.39370078740157, which means that 1 centimeter is equal to 0.39370078740157 inches:

1 cm = 0.39370078740157 in

To convert 30 centimeters into inches we have to multiply 30 by the conversion factor in order to get the length amount from centimeters to inches. We can also form a simple proportion to calculate the result:

1 cm → 0.39370078740157 in

30 cm → L_(in)

Solve the above proportion to obtain the length L in inches:

L_(in) = 30 cm × 0.39370078740157 in

L_(in) = 11.811023622047 in

The final result is:

30 cm → 11.811023622047 in

We conclude that 30 centimeters is equivalent to 11.811023622047 inches:

30 centimeters = 11.811023622047 inches

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 inch is equal to 0.084666666666667 × 30 centimeters.

Another way is saying that 30 centimeters is equal to 1 ÷ 0.084666666666667 inches.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that thirty centimeters is approximately eleven point eight one one inches:

30 cm ≅ 11.811 in

An alternative is also that one inch is approximately zero point zero eight five times thirty centimeters.

Conversion table

centimeters to inches chart

For quick reference purposes, below is the conversion table you can use to convert from centimeters to inches