Floor joists

[Should I]

2x10 joists 16 inches apart how much weight could these bad boys hold on 2nd floor

 

[Chemjab]

2x10 joists 16 inches apart how much weight could these bad boys hold on 2nd floor

This is a good read on framing and weight distribution.
https://www.reef2reef.com/ams/do-i-need-floor-supporting.131/

 

[Should I]

i can't do floor supporting and them joists look crap compared to mine mine are solid OAK joists