Guides
Free, step-by-step guides for grade, pipe and trench work. Each one walks through a real example with the math shown, so you can check your numbers in the field or with our apps.
How to Read a Grade Rod and Figure Cut / Fill
Set up with a laser or level, find your grade rod reading, and figure cut or fill at any point.
Pipe Grade and Slope Percent
Run invert stations and rod readings along a pipe, and figure slope percent for grading.
Calculate excavation, backfill and bedding material for a trench, using a watermain example.