Formulas That Work is a Hub for Land surveyor support for sharing common or not so common calculation shortcuts and formulas for survey data calculations. Share your Surveyor Math Formulas and Computational Tricks Here

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GeoEducator

Levelling Calculations made easy - Rise and Fall Method

I have drawn up a spreadsheet explaining how to do the basic calculatuions for the rise and fall method of leveling my surveying students who make use of it, always find their practical and theory componet easier using this method.

I really hope that

GeoEducator

Calculation for levelling -- Collimation method or what ever else its called

I created a spreadsheet to explain the collimation methods calculations to my surveying students, they found it very useful, hope that you will to !!! Just remember this is for 1st year students and beginners.

Traverse, Traverse Line and How does GPS fit into all of this with GPS Traverse

If you look the word traverse up it is used as a noun, a verb, a adverb, a adjective and the list goes on.It also  has many definitions other than the survey term .  In surveying it is in reference to a system of point who's beginning was also it's e

Surveying formulas

I am a rodman and i have three years of land surveying exp. but i am now doing industrial surveying work and next year i want to go retake my cst level 2 test. What i am wondering is there a easier formula basis to go off of then what is in the back

Rules of Thumb for surveying

Several rules of thumb which makes life a little easier:

When checking in and your off 30" remember

20" is 0.01' in 100' so if your 50' feet away from your backsite for a topo you are less then a hun. and good!

Steel expands 0.01' per 100' per 15 degree

GeoEducator

Traverse Calculations Sheet and Directions

This is direction sheets and traverse sheet calculations made easy for 1st year students. I realy hope that it will help you.

You 1st have to reduce your fieldbook, then calculate your direction sheet and

Double rodding, I never called it this, I used Double turns, 2 of something

Hello Eveyone, I guess it does not matter what you call it ,if it can be mastered it saves time and money.

Running long level runs can take a lot of time., To insure they are correct they must be ran into a level loop. Sometimes bench loops are a cost

L. R. , What is L R ? I was asked that one day. He was not ready for the answer.

One Day, On the tailgate of my survey truck I had plans waiting to be look at , and calculators here and there with Data Collectors, scales ,triangles erasers pen , pencils the every day survey items. this day was no different . But wait it was, sewe

Use a scale/ruler to measure the height of a tree

Make a clearly visible mark on the tree trunk at a fixed, measured height above ground level—say, four feet, or six feet. Hold a ruler in front of you and step backwards until the one inch measure on the ruler matches the distance from the ground to

Equations used to convert coordinates

What are the proper equations used to convert Lat. and Long. coordinates to Lambert coordinates and Mercator coordinates?? I need the equations for a paper I'm writing, I know that using the program Corpscon anyone can convert them

Land surveyors are constantly crunching numbers in their head.  But if you are like me, math is "work" part of surveying.

To square any two-digit number X, decide what number N it will take to raise or lower X

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Ok. Don't bother me again, for this session.