To convert millimeters (mm) to terameters (Tm), you need to divide the value in millimeters by 1e+15.
So, to convert 1400 mm to Tm: 1400 mm / 1e+15 = 1.4e-12 Tm
Therefore, 1400 millimeters is equal to 1.4e-12 terameters.
This below table contains list of length units and conversion values:
List of all different questions asking the same thing: