The conversion of trousers size has the following formula:

Cm x0.03= feet

Ruler x 10+7= code

Cm x0.3+7= code

It is also:

110cm =3.3 feet =40 yards

107 cm =3.2 feet =39 yards

103cm =3. 1 ft = 38cm.

100 cm =3.0 ft =37 yards

97 cm =2.9 ft =36 yards

93 cm =2.8 ft =35 yards

90 cm =2.7 ft =34 yards

87 cm =2.6 ft =33 yards

83 cm =2.5 ft =32 yards

80 cm =2.4 ft =3 1 yard

77 cm =2.3 ft =30 yards

73 cm =2.2 ft =29 yards

70 cm =2. 1 ft =28 yards

66 cm =2.0 ft =27 yards

63 cm = 1.9 ft =26 yards