Conversion Factors

WATER PRESSURE TO FEET HEAD				FEET HEAD OF WATER TO PSI
Lbs./Sq. In.	Feet Head	Lbs./Sq. In.	Feet Head	Feet Head	Lbs./Sq. In.	Feet Head	Lbs./Sq. In.
1	2.31	100	230.90	1	0.43	100	43.31
2	4.62	110	253.98	2	0.87	110	47.64
3	6.93	120	277.07	3	1.30	120	51.97
4	9.24	130	300.16	4	1.73	130	56.30
5	11.54	140	323.25	5	2.17	140	60.63
6	13.85	150	346.34	6	2.60	150	64.96
7	16.16	160	369.43	7	3.03	160	69.29
8	18.47	170	392.52	8	3.46	170	73.63
9	20.78	180	415.61	9	3.90	180	77.96
10	23.09	200	461.78	10	4.33	200	86.62
15	34.63	250	577.24	15	6.50	250	108.27
20	46.18	300	692.69	20	8.66	300	129.93
25	57.72	350	808.13	25	10.83	350	151.58
30	69.27	400	922.58	30	12.99	400	173.24
40	92.36	500	1154.48	40	17.32	500	216.55
50	115.45	600	1385.39	50	21.65	600	259.85
60	138.54	700	1616.30	60	25.99	700	303.16
70	161.63	800	1847.20	70	30.32	800	346.47
80	184.72	900	2078.10	80	34.65	900	389.78
90	207.81	1000	2309.00	90	38.98	1000	433.00