Watering Can Trip Calculator

Worked full-can trips example

Watering Can Trip divides quantities drawn from Water required and Can capacity.

Using water required at 42 gal and can capacity at 2 gal, the example returns 21 trips.

Using the Watering Can Trip result

Watering Can Trip summarizes its formula as Full-can trips. Need seasonal water savings? Open Xeriscape Water Savings Calculator.

Before entering water required

For full-can trips, collect Water required and Can capacity on the Watering Can Trip basis.

Water required

The Watering Can Trip target is 42 gal in the starting case.

Can capacity

Default in Watering Can Trip: 2 gal.

Collecting data for Watering Can Trip

Measure delivery at normal operating pressure and note the zone being tested. Nominal flow is not a substitute for a catch-can or timed-volume check.

Watering Can Trip beyond the formula

Do not fill a can beyond a comfortable carrying weight.

A zero Can capacity leaves full-can trips undefined in Watering Can Trip.

After calculating full-can trips

Write down Water required and Can capacity before acting on Full-can trips.

The Watering Can Trip note should distinguish direct observations from rates, forecasts, targets, and other assumptions.

Once an actual outcome is available, enter it separately using the same definition as full-can trips.

Reproducing full-can trips

A second person should be able to reproduce full-can trips from the Watering Can Trip notes.

Keep the first water required value when creating a revised scenario. For gallons per square foot, use Irrigation Depth from Gallons Calculator.

Watering Can Trip low-and-high comparison

In the Watering Can Trip example, changing Water required from 42 gal to 46.2 gal produces 23 trips rather than 21 trips.

Use water required only to compare full-can trips.

Pair water required with Watering Can Trip site observations.

Common questions about water required