Conversion formula

The conversion factor from millimeters to centimeters is 0.1, which means that 1 millimeter is equal to 0.1 centimeters:

1 mm = 0.1 cm

To convert 340 millimeters into centimeters we have to multiply 340 by the conversion factor in order to get the length amount from millimeters to centimeters. We can also form a simple proportion to calculate the result:

1 mm → 0.1 cm

340 mm → L_(cm)

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

L_(cm) = 340 mm × 0.1 cm

L_(cm) = 34 cm

The final result is:

340 mm → 34 cm

We conclude that 340 millimeters is equivalent to 34 centimeters:

340 millimeters = 34 centimeters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 centimeter is equal to 0.029411764705882 × 340 millimeters.

Another way is saying that 340 millimeters is equal to 1 ÷ 0.029411764705882 centimeters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred forty millimeters is approximately thirty-four centimeters:

340 mm ≅ 34 cm

An alternative is also that one centimeter is approximately zero point zero two nine times three hundred forty millimeters.

Conversion table

millimeters to centimeters chart

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