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Pressure to Head / Pump Head Calculator

Pump head calculator:

Online pump head calculator.

Pressure to Head Formulas:

Imperial Units:

H=(2.31 * (P)) /SG

where:

H= Head, ft.

P= Pressure, psi.

SG= Specific Gravity.

SI Units:

H=(10.2 * (P)) /SG

where:

H= Head, m.

P= Pressure, bar.

SG= Specific Gravity.

Convert from Pressure – Pounds per Square Inch (psi) to Head of Water in Feet (fth2o)

Pressure (PSI) Head (ft) Pressure (PSI) Head (ft)
1 2,31 26 60,06
2 4,62 27 62,37
3 6,93 28 64,68
4 9,24 29 66,99
5 11,55 30 69,30
6 13,86 31 71,61
7 16,17 32 73,92
8 18,48 33 76,23
9 20,79 34 78,54
10 23,10 35 80,85
11 25,41 36 83,16
12 27,72 37 85,47
13 30,03 38 87,78
14 32,34 39 90,09
15 34,65 40 92,40
16 36,96 41 94,71
17 39,27 42 97,02
18 41,58 43 99,33
19 43,89 44 101,64
20 46,20 45 103,95
21 48,51 46 106,26
22 50,82 47 108,57
23 53,13 48 110,88
24 55,44 49 113,19
25 57,75 50 115,50

 

Convert from Pressure – bar to Head of Water in meter (mh2o)

Pressure (bar) Head (m) Pressure (bar) Head (m)
1 10,20 26 265,20
2 20,40 27 275,40
3 30,60 28 285,60
4 40,80 29 295,80
5 51,00 30 306,00
6 61,20 31 316,20
7 71,40 32 326,40
8 81,60 33 336,60
9 91,80 34 346,80
10 102,00 35 357,00
11 112,20 36 367,20
12 122,40 37 377,40
13 132,60 38 387,60
14 142,80 39 397,80
15 153,00 40 408,00
16 163,20 41 418,20
17 173,40 42 428,40
18 183,60 43 438,60
19 193,80 44 448,80
20 204,00 45 459,00
21 214,20 46 469,20
22 224,40 47 479,40
23 234,60 48 489,60
24 244,80 49 499,80
25 255,00 50 510,00

Pressure online converter.