Przeliczanie jednostek :
0,01 msw= 0,001at = 0,001 bar = 0,001 kG/cm2 = 1 hPa =
=10 kG / m2 = 100 Pa =100 N/m2 =0,736 mmHg = 0,736 Tr=0,0001 Mpa
1 at = 1 bar = 1 kG/cm2 = 10 msw = 104kG/m2 = 105N/m2 = 105Pa = 0,1 Mpa = 1000 hPa =736 Tor = 736 mmHg