800 mm = 2.62 feet, approx.
1 foot equals 304.8 millimetres
140mm
1828.8 millimetres
1 metre = 1,000 millimetres 14 metres = 14,000 millimetres
4 foot is 1219.2mm. You get this as 1 foot is 304.8mm. Double 4 ft in millimetres is 8ft in mm. i.e. 1219.2x2=2438.4mm is 8 foot.
.50
Actually, a linear foot is the actual term for foot. So you pretty much answered your own question.
There are 1000 millimetres in one metre. Therefore, 411 millimetres is equal to 0.411 metres, or 411/1000 of a metre.
1 foot = 1 foot.
There are 12 inches in 1 Foot.
As stated, the question is meaningless. Area and length are not comparable.
1 foot equals 30.48cm