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 1242 millimeters into inches we have to multiply 1242 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

1242 mm → L_(in)

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

L_(in) = 1242 mm × 0.039370078740157 in

L_(in) = 48.897637795276 in

The final result is:

1242 mm → 48.897637795276 in

We conclude that 1242 millimeters is equivalent to 48.897637795276 inches:

1242 millimeters = 48.897637795276 inches

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 inch is equal to 0.020450885668277 × 1242 millimeters.

Another way is saying that 1242 millimeters is equal to 1 ÷ 0.020450885668277 inches.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand two hundred forty-two millimeters is approximately forty-eight point eight nine eight inches:

1242 mm ≅ 48.898 in

An alternative is also that one inch is approximately zero point zero two times one thousand two hundred forty-two 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