\begin{definition}[Definition:Avoirdupois/Short/Ton]
The '''short ton''' is an avoirdupois unit of mass.
{{begin-eqn}}
{{eqn | o = 
      | r = 1
      | c = '''short ton'''
}}
{{eqn | r = 20
      | c = short hundredweight
}}
{{eqn | r = 2000
      | c = pounds avoirdupois
}}
{{eqn | o = \approx
      | r = 907 \cdot 2
      | c = kilograms
}}
{{end-eqn}}
\end{definition}