Terra Test Calculator

Once you have conducted your Terra Test, use this online calculator to determine your results.

Simply enter your test data into the table on the right and click ‘calculate’ to see your unique soil profile and its moisture holding capacity.

Terra Test Data

kg
kg
kg
mm
mm
mm
mm
mm

Terra Test Results

Soil water holding capacity

(Over the rooting depth chosen)

125
Excellent
100
75
mm
50
Good
25
0
Very Low

Soil Water Storage:

(5mm/day Evapotranspiration)

Up to days

Your system data

Days

Your System Potential

Very Low
Good
Excellent
In the zone
Recharge Point