Soil Moisture Calculator
Calculate gravimetric soil moisture on a dry-weight basis from wet and oven-dry weights.
A QUICK WALKTHROUGH
How to use this tool
- Calculate gravimetric soil moisture on a dry-weight basis from wet and oven-dry weights.
Formula and scope
Moisture percent = (wet weight − dry weight) ÷ dry weight × 100. Dry the sample to constant weight.
Assumptions
Use consistent units and the same time period. Only entered values are included.
Local processing
Values stay in your browser. This is arithmetic, not professional advice.
GOOD TO KNOW
Common questions
Does this provide a recommendation?
No. It calculates only from your inputs.
Are inputs uploaded?
No. Processing stays local in your browser.