Raised Bed Irrigation Calculator

section 1
Accurate Watering Specifications
require knowledge of the type
of soil being watered.
in your Raised Bed?

To learn HOW TO test soil
click here:

Use the "Jar Test Analyser"
click here:

section 2
OPTIONAL data input

If not specified, the Calculator will assume MODERATE WATER

The cost of water determines an important
part of overall plant expense.

Calculator also analyses water cost for your plant.

Watering expense is estimated for dry climates
(typically less than 15" rainfall annually)
section 3

Enter or Estimate your soil type here:

section 4
Current Irrigation Schedule
Choose a preferred number of start times, or
if the plant has been hand watered til now

Current or desired Run Time Minutes
for this zone. Leave blank if unknown

Time between 1st & last start Hours
for this zone. Leave blank if unknown

section 5

To perform calculations:
Click this button

Reset RESULTS data to start over
Double check all all INPUT selections
[Pg 1] RESULTS        section 6

Soil information:

Clay %  Silt % Sand %
Type of soil is:

Soil water absorbency rating is:

Watering calculations based on Your input data:
Double Check your input answers for accuracy

Volume of soil to be watered in this:

Watering specifications below are based on irrigating:

[Pg 2] RESULTS        section 7


Run min  to get  gal

With proper irrigation, the soil before watering
will be moist enough to prevent plant wilt.
Due to this moisture - individual waterings need
to provide:   gallons
To saturate soil when totally dry gals.
Calculations for drip due to it's capacity for
superior moisture distribution.

This Plant & Soil Type will typically require
annual irrigation cycles.
Based on this; in a warm dry climate
The annual water cost estimate:
Annual rainfall greater than 12" will reduce this