new_contents: """Unit conversion helpers."""
  
  def m2pt(x, pt_size=0.0254/72.0):
      """Converts distance from meters to points. Default value is PDF point size."""
      return x / pt_size
  
  def pt2m(x, pt_size=0.0254/72.0):
      """Converts distance from points to meters. Default value is PDF point size."""
      return x * pt_size
  
  def m2in(x):
      """Converts distance from meters to inches."""
      return x / 0.0254
  
  def m2px(x, resolution):
      """Converts distance from meters to pixels at the given resolution in DPI/PPI."""
      return m2in(x) * resolution
  
subject: Move the conversion helpers into a separate module