Conversion formula

The conversion factor from millimeters to feet is 0.0032808398950131, which means that 1 millimeter is equal to 0.0032808398950131 feet:

1 mm = 0.0032808398950131 ft

To convert 521 millimeters into feet we have to multiply 521 by the conversion factor in order to get the length amount from millimeters to feet. We can also form a simple proportion to calculate the result:

1 mm → 0.0032808398950131 ft

521 mm → L_(ft)

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

L_(ft) = 521 mm × 0.0032808398950131 ft

L_(ft) = 1.7093175853018 ft

The final result is:

521 mm → 1.7093175853018 ft

We conclude that 521 millimeters is equivalent to 1.7093175853018 feet:

521 millimeters = 1.7093175853018 feet

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 foot is equal to 0.58502879078695 × 521 millimeters.

Another way is saying that 521 millimeters is equal to 1 ÷ 0.58502879078695 feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that five hundred twenty-one millimeters is approximately one point seven zero nine feet:

521 mm ≅ 1.709 ft

An alternative is also that one foot is approximately zero point five eight five times five hundred twenty-one millimeters.

Conversion table

millimeters to feet chart

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