Conversion formula

The conversion factor from millimeters to inches is 0.039370078740157, which means that 1 millimeter is equal to 0.039370078740157 inches:

1 mm = 0.039370078740157 in

To convert 427 millimeters into inches we have to multiply 427 by the conversion factor in order to get the length amount from millimeters to inches. We can also form a simple proportion to calculate the result:

1 mm → 0.039370078740157 in

427 mm → L_(in)

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

L_(in) = 427 mm × 0.039370078740157 in

L_(in) = 16.811023622047 in

The final result is:

427 mm → 16.811023622047 in

We conclude that 427 millimeters is equivalent to 16.811023622047 inches:

427 millimeters = 16.811023622047 inches

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 inch is equal to 0.059484777517564 × 427 millimeters.

Another way is saying that 427 millimeters is equal to 1 ÷ 0.059484777517564 inches.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred twenty-seven millimeters is approximately sixteen point eight one one inches:

427 mm ≅ 16.811 in

An alternative is also that one inch is approximately zero point zero five nine times four hundred twenty-seven millimeters.

Conversion table

millimeters to inches chart

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