๐ฑ Gardening
Drip Irrigation Calculator
Drip irrigation delivers water right at the root zone, which typically saves 30 to 50 percent compared with sprinklers. The limit on any zone is flow: standard half-inch tubing carries about 200 gallons per hour before pressure drop becomes a problem.
How it works
Row length
Number of rows
Emitter spacing
Flow per emitter
Row spacing
Water need per week
Emitters per row
Total emitters
Mainline tubing needed
Total flow
Run time per week
Zones needed (200 gal/h limit)
Frequently asked questions
How do I use the Drip Irrigation Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.