Nozzle calculator
Flow + pressure = nozzle size
Enter your operating values
Closest chart nozzle size
Enter flow and pressure to find your nozzle.
Nearby chart sizes
| Nozzle size | Flow at your pressure | Difference |
|---|
Nozzle size is the chart code, not the hole diameter in mm. The closest size may pass slightly more or less than your entered flow. Confirm nozzle type, pressure rating and spray angle before ordering.
How the result is calculated
Uses the supplied nozzle chart. At a listed pressure, flows match the chart exactly. Between listed pressures, flow is estimated by linear interpolation between the two neighbouring columns. The result is the chart size with the closest flow; a tie selects the larger size.
Pressure is limited to the chart’s 1–600 bar range. Results outside the flow range at your chosen pressure are not estimated. Chart values are rounded to 0.1 L/min.
Use flow through one nozzle. For multiple identical nozzles sharing flow equally, divide the total flow by the number of nozzles first. Use pressure at the nozzle after hose and fitting losses.
Add to your iPhone Home Screen
Open in Safari, tap Share, then Add to Home Screen. If shown, leave Open as Web App switched on, then tap Add.
This is a web app, not an App Store download. An internet connection is required.