Diseases, conditions and injuries impacting the knee and lower leg. Pain in the front and center of the knee (usually underneath the kneecap) can occur in teenagers or young adults who are physically active. Rather than a physical abnormality, itâs caused by overuse or training without adequate stretching or strengthening exercises.
Gallons of water per metric ton A metric ton (1000 kg) of water occupies exactly one cubic meter. One cubic meter is 264.17 gallons.
Unit of liquid volume. (1) UK (Imperial) gallon equals 277.42 cubic inches, 0.16 cubic feet, 4.55 liters, or 1.2 US gallons. One UK gallon of water weighs 10 pounds. (1) US gallon equals 231 cubic inches, 0.13 cubic feet, 3.78 liters, or 0.83 UK gallon. One US gallon of water weighs 8.33 pounds.