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Table 7. Conversions for Measurements of Water
Unit Feet
3
Pounds Gal
(U.S
)
Gal
(IMP)
Litres Head
(Ft)
lb/in² Ton/Ft² Head
(Meters
)
Ft³/Min Gal.(U.S)
/Hr
Feet
3
1 62.42 -- -- -- -- -- -- -- -- --
Pounds
0.01602 1 0.12 0.10 0.4536 -- -- -- -- -- --
Gal
(U.S)
-- 8.34 1 -- -- -- -- -- --
Gal
(IMP)
-- 10.0 -- 1 -- -- -- -- --
Litres
-- 2.2046 -- -- 1 -- -- --
Head
(Ft)
-- -- -- -- -- 1 4.335 --
lb/in²
-- -- -- -- -- 2.3070 1 0.02784 0.7039
Ton/Ft²
-- -- -- -- -- 35.92 -- 1 --
Head
(Meters)
-- -- -- -- -- -- 1.4221 -- 1
Ft³/Min
-- -- -- -- -- -- -- -- -- 1 448.92
Gal.
(U.S)/Hr
-- -- -- -- -- -- -- -- -- 0.002227 1
One unit in the left-hand column equals the value of units under the top heading.
Table 8. Barometric Pressures and Boiling Points of Water at Various Altitudes
Barometric Pressure Water Boiling
Point
(Ft) Inches of
Mercury
lb/in
2
Feet Water ºF ºC
Sea Level 29.92 14.69 33.95 212.0 100
1000 28.86 14.16 32.60 210.1 99
2000 27.82 13.66 31.42 208.3 98
3000 26.81 13.16 30.28 206.5 97
4000 25.84 12.68 29.20 204.6 95.9
5000 24.89 12.22 28.10 202.8 94.9
6000 23.98 11.77 27.08 201.0 94.1
7000 23.09 11.33 26.08 199.3 93
8000 22.22 10.91 25.10 197.4 91.9
9000 21.38 10.50 24.15 195.7 91
10,000 20.58 10.10 23.25 194.0 90
11,000 19.75 9.71 22.30 192.0 88.9
12,000 19.03 9.34 21.48 190.5 88
13,000 18.29 8.97 20.65 188.8 87.1
14,000 17.57 8.62 19.84 187.1 86.2
15,000 16.88 8.28 18.07 185.4 85.2
One unit in the left-hand column equals the value of units under the top heading.