VriksaiTimber IntelligenceBrowse all tools
Home / Wood Selection & Material Science / Moisture Tracking Tool
Vriksai Timber Intelligence

Moisture Tracking ToolDrying Rate and Completion Tracker

Track the moisture content of wood over time during drying. Calculate drying rate, estimate days to target, monitor for stalling, and verify oven-dry moisture content from sample weights.

MC from Sample WeightsDrying Rate per DayDays to TargetStall DetectionPDF Report
MT

Moisture Tracking Tool

Drying Rate and Completion Tracker

Sample Weight Method
grams

Weigh the sample board now.

grams

After drying at 103 C to constant weight.

Drying Progress
%

MC at last check. Leave matching current if first reading.

days
%
OK
Moisture Tracking Results
-
% MC
Current MC
-
%/day
Drying Rate
-
days
Days to Target
-
% done
Progress
MetricValueStatus
Tracking Calculation
About Moisture Tracking Tool
The oven-dry sample method is the most accurate way to measure wood moisture content - far more reliable than pin meters for green and wet wood. By weighing a sample board over time, you can track the drying curve, calculate the daily drying rate, predict when the target MC will be reached, and catch a stalled or case-hardened load before it becomes a problem.
Where Is This Used?
Kiln OperatorsAir-Drying YardsQC LaboratoriesFurniture WorkshopsSolar Kiln MonitoringDrying Research
Formulas Used
MC% = (Wet weight - Oven-dry weight) / Oven-dry weight x 100Drying rate = (Previous MC - Current MC) / Days elapsedDays to target = (Current MC - Target MC) / Drying rateProgress % = (Start - Current) / (Start - Target) x 100Stall: drying rate near zero while MC still above target
Frequently Asked Questions
Why use the oven-dry method instead of a moisture meter?
Pin and pinless meters are calibrated for a limited MC range (usually 6-30%) and lose accuracy on green wood, dense tropical species, and treated timber. The oven-dry weight method is the laboratory reference standard - accurate at any MC - and is the basis for calibrating all meters.
What does a stalled drying rate mean?
If MC stops dropping while still above target, the load may be case-hardened (dry shell, wet core), the kiln humidity may be too high, or airflow may be poor. A near-zero drying rate above target is an early warning to adjust conditions before defects set in or the schedule overruns.
How do I get a good oven-dry weight?
Cut a 25mm-long full-cross-section sample away from the board end, weigh it immediately, then dry at 103+/-2 C until the weight stops changing (usually 24-48 hours). Re-weigh - that is the oven-dry weight. Keep this constant and just re-weigh the wet sample over time to track MC.
ResourcesView the formulasFormula Library
Related Wood Selection tools
More tools in this category
EMC CalculatorEquilibrium moisture content from temp and humidityShrinkage PredictorRadial, tangential and volumetric shrinkageGreen Weight CalculatorWeight of green timber by volume and speciesKiln Schedule FinderDrying time and temperature schedule