Water Flow Pressure Loss - 4" through 16" Hose Chart
Go to 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 | ||||||
| 4 | 6 | 8 | 10 | 12 | 14 | 16 | ||
| 100 125 150 175 200 | .223 .278 .334 .390 .446 | .26 .40 .54 .70 .90 | .10 .13 | |||||
| 225 250 275 300 325 | .501 .557 .613 .668 .724 | 1.08 1.34 1.60 1.84 2.04 | .16 .19 .24 .28 .33 | |||||
| 350 375 400 425 450 | .780 .836 .891 .947 1.00 | 2.30 2.80 3.10 3.40 3.80 | .37 .44 .49 .54 .60 | |||||
| 475 500 550 600 650 | 1.06 1.11 1.22 1.34 1.45 | 4.25 4.60 5.60 6.60 7.60 | .70 .78 .93 1.10 1.30 | .16 .18 .23 .27 | ||||
| 700 750 800 850 900 | 1.56 1.67 1.78 1.89 2.00 | 8.60 9.60 10.80 12.00 | 1.50 1.70 1.90 2.20 2.40 | .30 .34 .39 .44 .49 | ||||
| 950 1000 1100 1200 1300 | 2.12 2.23 2.45 2.67 2.90 | 2.60 2.80 3.20 3.70 4.50 | .54 .59 .66 .74 .88 | .19 .23 .27 .31 | ||||
| 1400 1500 1600 1800 2000 | 3.12 3.34 3.56 4.01 4.45 | 5.30 6.20 7.00 8.80 16.50 | 1.10 1.25 1.40 1.80 2.20 | .35 .40 .45 .54 .64 | .15 .17 .19 .24 .29 | .14 | ||
| 2500 3000 3500 4000 4500 | 5.57 6.68 7.80 8.91 10.03 | 3.40 4.50 6.20 8.20 10.20 | .98 1.40 1.90 2.40 3.00 | .42 .58 .79 1.00 1.25 | .21 .29 .39 .50 .62 | .14 .18 .23 .28 | ||
| 5000 6000 7000 8000 9000 | 11.14 13.37 15.60 17.82 20.05 | 3.80 5.20 7.00 9.20 11.50 | 1.50 2.10 2.80 3.70 4.60 | .74 1.10 1.40 1.80 2.30 | .34 .46 .62 .80 1.00 | |||
| 10000 12000 14000 16000 18000 20000 | 22.28 26.74 31.19 35.65 40.10 44.56 | 5.70 6.70 10.00 13.50 | 2.80 3.70 5.00 6.80 8.80 11.00 | 1.25 1.70 2.40 3.30 4.40 5.50 | ||||