Units of Pressure

bar	bar
millibar	mbar
pascal	Pa
kilonewton per square metre	kN/m2

Pressure Conversion

1 bar	100 kPa
1 bar	14.5 lb/sq inch
1 lb/sq inch	6.89 kPa
1 lb/sq inch	0.00689 bar
1 kPa	0.145 lb/sq inch
1 ft H2O	29.837 mbar
1 ft H2O	2.989 kPa (2.989 kN/m2)
1 ft H2O	0.305m H2O
1 m H2O	98.0067 mbar
1 mbar	0.4015 in H2O

Bar to Pounds Per Square Inch

bar	lb/sq Inch	bar	lb/sq Inch	bar	lb/sq Inch
0.1	1.45	1.1	15.95	2.1	30.45
0.2	2.90	1.2	17.40	2.2	31.90
0.3	4.35	1.3	18.85	2.3	33.35
0.4	5.80	1.4	20.30	2.4	34.80
0.5	7.25	1.5	21.75	2.5	36.25
0.6	8.70	1.6	23.20	2.6	37.70
0.7	10.15	1.7	24.65	2.7	39.15
0.8	11.60	1.8	26.10	2.8	40.60
0.9	13.05	1.9	27.55	2.9	42.05
1.0	14.50	2.0	29.00	3.0	43.50