Get Free Notches and Weirs PDF for Download today. Examples are included after each Formula with a link to a live Calculator! All the Formulas and Calculators support Unit Conversion as well. This PDF features 27 calculators from Mechanical. Inside, you'll discover a list of formulas such as Length of Section for Discharge over Rectangle Notch or Weir, Length of Crest of Weir or Notch and 27 more formulas!. The Variables, Functions and Constants are summarized at the end. Explore and share Notches and Weirs PDFs!