Water Flow Pressure Loss - 1/2" through 3" Hose Chart

How To Select The Right Hose - 1/2" through 3" Hose Chart

(PSI per 100 feet of Hose)
Flow of water in US Gal./min	Flow of water in cu. ft/sec.	Actual Internal Diameter, Inches
Flow of water in US Gal./min	Flow of water in cu. ft/sec.	1/2	5/8	3/4	1	1 1/4	1 1/2	2	2 1/2	3
0.5 1.5 2.5 5 10	.001 .003 .005 .011 .022	0.4 3.02 7.75 27.8 99.5	1.01 2.58 9.27 33.2	.042 1.08 3.86 13.8	0.95 3.38	0.32 1.14	0.13 0.47	0.12
15 20 25 30 35	.033 .044 .055 .066 .077		71.0 121.0	29.6 50.3 76.5 108.0 142.0	7.25 12.4 18.7 26.5 34.8	2.45 4.15 6.34 8.96 11.8	1.01 1.71 2.60 3.68 4.83	0.25 0.42 0.64 0.90 1.18	0.08 0.14 0.22 0.30 0.40	0.13 0.17
40 45 50 60 70	.088 .099 .110 .132 .154				44.7 55.0 67.5 94.3 126.0	15.1 18.6 22.8 31.8 42.5	6.20 7.65 9.35 13.1 17.5	1.52 1.87 2.28 3.19 4.25	0.51 0.63 0.78 1.08 1.44	0.21 0.26 0.32 0.45 0.60
80 90 100 125 150	.176 .198 .223 .278 .334					54.6 67.5 81.5 124.0	22.5 27.8 33.5 50.6 72.1	5.48 6.80 8.19 12.4 17.6	1.86 2.30 2.78 4.20 6.97	0.77 0.95 1.15 1.73 2.46
175 200 225 250 275	.390 .446 .501 .557 .613						94.5 122.0	23.1 29.6 36.8 44.6 53.3	7.83 10.1 12.5 15.2 18.1	3.23 4.15 5.15 6.28 7.45
300 325 350 375 400	.688 .724 .780 .836 .891							62.5 72.5 83.2 94.5 107.0	21.2 24.6 28.2 32.1 36.2	8.75 10.2 11.7 13.3 14.9
450 500 600 700 800	1.00 1.11 1.34 1.56 1.78								44.9 54.5 76.5 102.0 131.0	18.6 22.5 31.6 42.1 53.9
900 1000 1100 1200 1300	2.00 2.23 2.45 2.67 2.90									66.8 81.4 97.0 114.0 132.0
1400 1500 1600 1800 2000	3.12 3.34 3.56 4.01 4.45