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 1680 millimeters into feet we have to multiply 1680 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

1680 mm → L_(ft)

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

L_(ft) = 1680 mm × 0.0032808398950131 ft

L_(ft) = 5.511811023622 ft

The final result is:

1680 mm → 5.511811023622 ft

We conclude that 1680 millimeters is equivalent to 5.511811023622 feet:

1680 millimeters = 5.511811023622 feet

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 foot is equal to 0.18142857142857 × 1680 millimeters.

Another way is saying that 1680 millimeters is equal to 1 ÷ 0.18142857142857 feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one thousand six hundred eighty millimeters is approximately five point five one two feet:

1680 mm ≅ 5.512 ft

An alternative is also that one foot is approximately zero point one eight one times one thousand six hundred eighty 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