305mm are in one foot.
304.8 mm
About 0.00328 feet per mm
3500 mm = 11.48 feet.
970 mm = 3.18 feet
3940 mm = about 12.9 feet.
50 mm = 0.164 feet
5000 mm = 16.4 feet
10 mm = 1cm 1 in = 2.54 cm 1 in = 25.4 mm
2,750 mm
1100 mm = 3.6089239 feet
1970 mm = 6.46 feet
160 mm is about .5249 feet