IV fluids calculations , is one of the important aspect of fluids and medications administration during care delivery and prescribing the treatment. Its an essential task in routine practice of nurses, paramedics and doctors. And learning the basic and advanced concepts related to intravenous fluid or drugs infusion challenging but by doing so, one can become the Master in IV administration Calculations . This E-guide includes basic and advanced topics in four chapters written in simple and easy language with flow charts , images and exercises. For nurses, NCLEX RN exercises and advanced concepts and solved exercises also incorporated. It is simple, easy, relevant and comprehensive tool to learn about IV fluids or medications calculations designed and developed exclusively by the author having many years of experience in clinical care delivery and health academic discipline. It is a must have tool for Nurses and Paramedics appearing in different examinations such Nursing Board Registrations and NCLEX and also involved in health care delivery.