If you blended all 7.88 billion ppl on Earth into a fine goo (density of a human=985 kg/m3, average
If you blended all 7.88 billion ppl on Earth into a fine goo (density of a human=985 kg/m3, average human body mass=62 kg), you would end up with a sphere of human goo just under 1 km wide. This is a visualization of how that would look like in Central Park. -- source link