## Conversion formula

The conversion factor from centimeters to millimeters is 10, which means that 1 centimeter is equal to 10 millimeters:

1 cm = 10 mm

To convert 689 centimeters into millimeters we have to multiply 689 by the conversion factor in order to get the length amount from centimeters to millimeters. We can also form a simple proportion to calculate the result:

1 cm → 10 mm

689 cm → L(mm)

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

L(mm) = 689 cm × 10 mm

L(mm) = 6890 mm

The final result is:

689 cm → 6890 mm

We conclude that 689 centimeters is equivalent to 6890 millimeters:

689 centimeters = 6890 millimeters ## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 millimeter is equal to 0.00014513788098694 × 689 centimeters.

Another way is saying that 689 centimeters is equal to 1 ÷ 0.00014513788098694 millimeters.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred eighty-nine centimeters is approximately six thousand eight hundred ninety millimeters:

689 cm ≅ 6890 mm

An alternative is also that one millimeter is approximately zero times six hundred eighty-nine centimeters.

## Conversion table

### centimeters to millimeters chart

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

centimeters (cm) millimeters (mm)
690 centimeters 6900 millimeters
691 centimeters 6910 millimeters
692 centimeters 6920 millimeters
693 centimeters 6930 millimeters
694 centimeters 6940 millimeters
695 centimeters 6950 millimeters
696 centimeters 6960 millimeters
697 centimeters 6970 millimeters
698 centimeters 6980 millimeters
699 centimeters 6990 millimeters