.. _wtm-list: ############################# Units of Weight ############################# +----------+--------------------------+ | Code | Value | +==========+==========================+ | 31 | Catchweight | +----------+--------------------------+ | OZ | Ounce | +----------+--------------------------+ | LB | Pound | +----------+--------------------------+ | CW | Hundredweight | +----------+--------------------------+ | TN | Ton | +----------+--------------------------+ | GR | Gram | +----------+--------------------------+ | KG | Kilogram | +----------+--------------------------+ | MT | Metric Tonne | +----------+--------------------------+ Source: ASC-X12 Data Element 355 - Unit or Basis for Measurement Code.