Our calculator tools streamline calculations that are time-consuming to perform by hand, but not so complicated as to necessitate using a specialized software program. By embedding the relevant formulas directly into Excel workbooks, these calculators enable you to enter input data and quickly get the answer you seek within a software program that you already use every day. Direct links to the source content and additional related material are provided in the spreadsheets for all calculations.

Available Spreadsheet Calculators

Tutorials for Spreadsheet Calculators


  • Harlan Bengtson, Ph.D., P.E., Former Dean of Engineering, Southern Illinois University Edwardsville
  • Mustafa Mahamid, Ph.D., S.E., P.E., F.SEI, F.ASCE, Clinical Associate Professor of Civil Engineering, University of Illinois at Chicago
  • Henry V. Mott, Ph.D., P.E., Professor Emeritus, SD School of Mines and Technology, Professor of Hydrology, St. Cloud State University
  • William Prudhomme, B.S.E.E., Principal, XL Technologies, Inc.
  • Mark Rossow, Ph.D., P.E., Former Chairperson of Civil Engineering, Southern Illinois University Edwardsville