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 520 millimeters into inches we have to multiply 520 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

520 mm → L_(in)

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

L_(in) = 520 mm × 0.039370078740157 in

L_(in) = 20.472440944882 in

The final result is:

520 mm → 20.472440944882 in

We conclude that 520 millimeters is equivalent to 20.472440944882 inches:

520 millimeters = 20.472440944882 inches

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 inch is equal to 0.048846153846154 × 520 millimeters.

Another way is saying that 520 millimeters is equal to 1 ÷ 0.048846153846154 inches.

Approximate result

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

520 mm ≅ 20.472 in

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