Precisely and unequivocally, 1.
1 millimeter=0.0393700787 inches
.00001 (or 1 x 10-5) hectometers are in 1 millimeter
1 meter = 1000 millimeters 1 millimeter = 0.001 meter
1 meter = 1000 millimeter
1
1 meter = 1000 millimeters 1 millimeter = 0.001 meter
1 millimeter (mm) = 0,1 centimeters (cm)
1
0.000001
1 centimeter = 10 millimeters1 millimeter = 0.1 centimeter
1000 1 meter = 1000 millimeters 1 millimeter = 0.001 meter
.1 cm/mm