Pa	bar	hPa	μbar	Torr	micron	atm	at	mm WS	psi	psf
Pa	1	1·10-5	1·10-2	10	7.5·10-3	7.5	9.87·10-6	1.02·10-5	0.102	1.45·10-4	2.09·10-2
bar	1·105	1	1·10-3	1·106	750	7.5·105	0.987	1.02	1.02·104	14.5	2.09·103
hPa	100	1·10-3	1	1,000	0.75	750	9.87·10-4	1.02·10-3	10.2	1.45·10-2	2.09
μbar	0.1	1·10-6	1·10-3	1	7.5·10-4	0.75	9.87·10-7	1.02·10-6	1.02·10-2	1.45·10-5	2.09·10-3
Torr	1.33·102	1.33·10-3	1.33	1,330	1	1,000	1.32·10-3	1.36·10-3	13.6	1.93·10-2	2.78
micron	0.133	1.33·10-6	1.33·10-3	1.33	1·10-3	1	1.32·10-6	1.36·10-6	1.36·10-2	1.93·10-5	2.78·10-3
atm	1.01·105	1.013	1,013	1.01·106	760	7.6·105	1	1.03	1.03·104	14.7	2.12·103
at	9.81·104	0.981	981	9.81·105	735.6	7.36·105	0.968	1	1·10-4	14.2	2.04·103
mm WS	9.81	9.81·10-5	9.81·10-2	98.1	7.36·10-2	73.6	9.68·10-5	1·10-4	1	1.42·10-3	0.204
psi	6.89·103	6.89·10-2	68.9	6.89·104	51.71	5.17·104	6.8·10-2	7.02·10-2	702	1	144
psf	47.8	4.78·10-4	0.478	478	0.359	359	4.72·10-4	4.87·10-4	4.87	6.94·10-3	1