text: calculation/drilling pipes weight in kg? to know the weight of drilling pipe?????????? what i should know! you need to reference a pipe table (http://www.grantprideco.com/drilling/catalog/pdf/catalog%20tables%20-%20%20final%20with%20calculations%20-%20march%202005.pdf) to get the weight in lbs.  next you need a conversion table (http://www.onlineconversion.com/weight_common.htm).  input your data and you have your answer.