Bioengineering and biomedical engineering merge the disciplines of engineering, biology, and medicine to create techniques and devices that are based on an understanding of living systems and serve the objective of improving the quality of human and animal life.
Weight of 1 US Gallon of water = approx. 8.35 lb (about 3.785 kg). Weight of 1 Imperial gallon (i.e. UK measure) of water weighs 10 pounds (4.536 kg) by definition, at a specified temperature and pressure.
Water weighs quite a bit too. That makes it a pain to keep enough with you in the wilderness. Weight of Water Pounds Kilograms Cubic cm. 0.0022 0.0010 Liter 2.2047 1.0000 Cubic inch 0.0361 0.0164 Gallon 8.3454 3.7854 Cubic foot62.428028.3169. You can see that the weight of a gallon of water is over 8 pounds. Now, that can make a pack awful heavy awful fast! The molecular weight of water is the combined weight of its two hydrogen atoms and one oxygen atom which amounts to 18.015 atomic mass units. The unit weight of water or specific weight of water is the same as the weight of one gallon of water.