Sprinkler Zone Calculator

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Zone Calculator is a tool designed to help the installer determine how many heads to install with each zone.

GPM Totals

Rotor Selection.

Rotor 5000 Series

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Noz 1.0 Radius 25'-29'

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Noz 1.5 Radius 27'-35'

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Noz 2.0 Radius 29'-37'

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Noz 2.5 Radius 35'-37'

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Noz 3.0 Radius 29'-40'

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Noz 4.0 Radius 37'-42'

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Noz 5.0 Radius 39'-45'

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Noz 6.0 Radius 39'-48'

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Noz 8.0 Radius 47'-50'

Rotor 3500 Series

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Noz .75 Radius 15'-18'

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Noz 1.0 Radius 20'-22'

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Noz 1.5 Radius 23'-24'

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Noz 2.0 Radius 27'-28'

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Noz 3.0 Radius 29'-32'

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Noz 4.0 Radius 31'-35'

If you are planning to use Hunter products the calculations will be comparable if you select the nozzles by distance

Nozzle Selection.

18 VAN

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18-VAN at 1/4 14'-18'

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18-VAN at 1/2 14'-18'

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18-VAN at 3/4 14'-18'

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18-VAN Full 14'-18'

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15 Qtr 12'-15'

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15 Half 12'-15'

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15 Three Qtr 12'-15'

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15 Full 12'-15'

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Side Strip 15

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End Strip 15

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12 Qtr 10'-12'

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12 Half 10'-12'

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12 Three Qtr 10'-12'

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12 Full 10'-12'

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10 Qtr 8'-10'

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10 Half 8'-10'

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10 Three Qtr 8'-10'

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10 Full 8'-10'

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8 Qtr 5'-8'

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8 Half 5'-8'

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8 Three Qtr 5'-8'

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8 Full 5'-8'

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5 Qtr 3'-5'

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5 Half 3'-5'

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5 Three Qtr 3'-5'

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5 Full 3'-5'

Drip Selection.

Drip Emitters

Drip, Bubblers and Xeri Sprays are all covered in this section. You will need to know the GPH (Gallons Per Hour) for the emitters you plan to use. Simply select the option below that matches your rate of flow in GPH. If you are unsure which emitters to choose, here are some popular options/resources.

Xeri Drip Emitters
Xeri Micro Sprays
Xeri Bubblers
Hunter Point Source Drip Emitters
Hunter Micro Sprays
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0.5 GPH

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1.0 GPH

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2.0 GPH

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3.0-5.0 GPH

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6.0-7.0 GPH

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8.0-10.0 GPH

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11.0-12.0 GPH

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13.0-18.0 GPH

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19.0-24.0 GPH

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0-36.0 GPH

These calculations will work with all drip manufacturers as long as you choose the correct emitter for the rate of flow.