A metre is a unit of length. A kilogram is a unit of mass. The two units are therefore incompatible.
39.5kg
You can't just convert any unit to any other unit. Meters and kilograms are used to measure completely different things.
Approx 7 lbs 12oz
there 1,000 grams in a kilogram
3500g = 3.5kg
2821.92 oz
8000
7 meters
7 centimeters is 0.07 meters.
21 ounces is about 0.59534 kg
There are 0.001 kg in 1 g.
7 meters = 275.59 inches.