A troy pound is equal to 12 troy ounces and to 5,760 grains, that is exactly 373.241 7216 grams. Troy weights were used in England by jewellers. Apothecaries also used the troy pound and ounce, but added the drachms and scruples unit in the Apothecaries' system of weights.
Depends on the API gravity of the gasoline, which varies by grade and refinery. Usually, regular unleaded gasoline has a gravity of around 58 and a weight per gallon of 6.216 pounds per gallon. Premium gasoline may have a gravity of 54, or 6.350 pounds per gallon.
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.