SMath Forum SMath Studio Questions kg/m2 to psi? 1 Pages (3 items) kg/m2 to psi? - Messages #1 Posted: 5/26/2023 5:01:50 PM JP 0 likes in 6 posts. Group: User How do we convert kg/m2 to psi? I can use lb/in2 but I prefer psi.Thanks! #2 Posted: 5/26/2023 7:07:20 PM Alvaro Diaz Falconi 992 likes in 1675 posts. Group: User Hi. kg & lb are mass units. kgf & lbf are force units. And force equals mass by acceleration, which it is in this case, g.e = 9.8 m*s^-2kgf_lbf.sm (5 KiB) downloaded 46 time(s).Best regards.Alvaro. #3 Posted: 5/28/2023 7:00:16 PM JP 0 likes in 6 posts. Group: User Perfect. I changed lb to lbf and now all is good. 1 Pages (3 items) New Posts No New Posts