Hoses - Water Volume Discharge Flow vs. Pressure

Water discharge through hoses - pressure ranging 10 - 200 psi (0.75 - 14 bar). Calculate water flow discharge rates based on hose diameter and pressure.

Water Discharge Through Hoses

Water discharge through hoses at various pressures and hose diameters.

Imperial Units: Water discharge through 100 feet hoses at pressures ranging 10 - 200 psi

Metric Units: Water discharge through 30 m hoses at pressures ranging 0.75 - 14 bar

Conversion Factors

  • 1 psi = 6.9 kPa = 0.069 bar
  • 1 ft (foot) = 0.3048 m
  • 1 gal (US)/min = 6.30888×10⁻⁵ m³/s = 0.227 m³/h
Hose Nominal Diameter (inches)Internal Diameter (inches)
1/80.125
3/160.1875
1/40.25
5/160.3125
3/80.375
7/160.4375
1/20.5
5/80.625
3/40.75
7/80.875
11
1 1/41.25
1 1/21.5
22
2 1/22.5
33
3 1/23.5
44
55
66
Calculator

Inputs

Results

Flow Rate (GPM)-- gal/min
Pressure in Bar-- bar
Flow Rate (L/s)-- L/s