There are various methods to calculate the weight of steel pipes, the most important of which include using the Stahl table, pipe weight table, pipe weight calculation formula, and using the online pipe weight calculator. In the meantime, using the pipe weight table is easier and the pipe weight can be calculated through it in less time.The Stahl table is also a good method, but it may not always be possible to access it. If you do not have access to the Stahl table and the weight table, then you can go to the pipe weight formula. Three methods to calculate the weight of the pipe through the formula are given below. In these formulas, the number 7.86 is times the density of the pipe in grams per cubic centimeter.